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DK1680C
(en)
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Procedure for the manufacture of pipes of steel and other metals.
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GB189406783A
(en)
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Certain Improvements in the Manufacture of Iron and Steel and other Metals, and in Apparatus to be Employed in the said Manufacture.
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DK5290C
(en)
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Procedure for hardening the surface of iron and steel by means of electricity.
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GB189403224A
(en)
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Improvements in the Manufacture of Steel or Iron Plates, and Apparatus therefor.
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DK5519C
(en)
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Procedure for the production of strong paramagnetic iron and steel by casting.
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DK26200C
(en)
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PROCEDURE FOR INCREASING METALS AND ALLOYES, IN PARTICULAR ALUMINUM ALLOYES, HARDNESS, STRENGTH AND PROCESSIBILITY BY HARDING THEM BY HEAT
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ES33793A3
(en)
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A process for the cold manufacturing of complete frames for umbrellas and parasols of all kinds of iron, steel or other metals.
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GB189420422A
(en)
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Improvements in the Manufacture of Steel, Steely Iron, or Homogeneous Metal.
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ES7648A1
(en)
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Improvements in the manufacture of iron, steel and other metals.
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GB189624657A
(en)
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Improvements in the Treatment of Ores for the Production of Iron, Steel, and other Metals.
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DK9909C
(en)
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Procedure for Increasing the Toughness and Stretchability of Iron and Steel.
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GB189600203A
(en)
|
|
Improvements in the Treatment of Iron and Steel, and in the Production of Alloys.
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ES6525A1
(en)
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Improvements introduced in the manufacture of iron and steel.
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AT26322B
(en)
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Process and furnace for annealing and superficial oxidizing of mainly sheet-shaped iron and steel pieces.
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ES20734A1
(en)
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Improvements in the mineral treatment procedure for the production of iron, steel and other metals.
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DK2261C
(en)
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Procedure for the manufacture of steel and silver plates.
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DK6853C
(en)
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Handles for containers of metal and the like.
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ES23151A3
(en)
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An improvement in the process of stamping eyelets, capsules, etc., of copper, iron, steel and other metals.
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GB190122233A
(en)
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Improved Method for the Cementation, or Hardening, of Iron and Steel
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DK1758C
(en)
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Machine for Bending Angle Iron and for Changing Its Angle.
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DK7013C
(en)
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Process for the Preparation of Nitrocellulose, Nitrohydrocellulose and Nitrooxycellulose.
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ES22119A1
(en)
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Improvements made to pyritic and matte cast iron and carburizing or treating it by the Bessemer procedure.
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CA90159A
(en)
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Methods of treating sheet iron or steel
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DK5908C
(en)
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Fittings for River and Drawer Iron.
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DK2728C
(en)
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Method for the simultaneous production of metal oxides and hydrocarbons.
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