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DK7741C
(en)
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Procedure for the manufacture of pipes, plates and the like, consisting mainly of slate or slate waste.
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DK11720C
(en)
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Procedure for the production of pressed plates, boards and the like of cement with color patterns.
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DK6121C
(en)
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Method with associated plate for the production of colored photographs and for photomechanical printing.
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ES17404A3
(en)
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A brick and molded pieces of silica.
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DK6249C
(en)
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Machine for Making Bricks and Briquettes.
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DK72C
(en)
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Procedure for the manufacture of coal briquettes.
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ES17332A1
(en)
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A ceramic and iron stove.
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DK6357C
(en)
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Stanze for Carving of Sheet Metal.
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FR3073E
(en)
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Brick press
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DK7949C
(en)
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Metal rod, the surface of which is formed by protrusions and gaps.
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DK3630C
(en)
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Lead press for the production of sheets with slanted ribs.
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DK6000C
(en)
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Procedure for the manufacture of a refractory material of cement and tar.
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DK870C
(en)
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Procedure for the production of chromium iron and steel.
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GB189513324A
(en)
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Improvements in Bricks for the Building of Walls and Facings.
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DK5660C
(en)
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Process for the preparation of cyanamide salts of lime and coal mixtures.
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DK5429C
(en)
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Procedure for Corrugation of Sheet Metal.
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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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DK12868C
(en)
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Equipment for Utilization of Ringovnes Waste Heat and Combustion Products for Pre-drying of Bricks.
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DK5267C
(en)
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Cycling with up and down pedal movement.
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DK6202C
(en)
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Procedure for Fastening Celluloid on Metal.
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DK6908C
(en)
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Procedure for Reproduction of Images and Patterns of any kind by chemical means.
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DK7476C
(en)
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Procedure for the manufacture of bricks and similar building materials.
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DK7037C
(en)
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Method of Making Cement.
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DK5817C
(en)
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Divisible molding insert with facets and beads for the production of ready-to-use stereotype plates.
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DK215C
(en)
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Procedure for the manufacture of peat briquettes.
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