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DK4968C
(en)
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Method of Making Pressed Plasterboard.
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DK4596C
(en)
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Procedure for the manufacture of bricks, blocks or similar building materials.
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DK5025C
(en)
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Procedure for the manufacture of fireproof roads.
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DK5472C
(en)
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Mass for Manufacture of Lighters.
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DK6822C
(en)
|
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Procedure for Manufacturing Building Blocks.
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|
DK7037C
(en)
|
|
Method of Making Cement.
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|
CH26764A
(en)
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Brick construction
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FR317583A
(en)
|
|
A concrete mass construction
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|
DK6419C
(en)
|
|
Procedure for the manufacture of Portland cement.
|
|
DK4998C
(en)
|
|
Procedure for Manufacturing Glass Stone.
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|
FR320918A
(en)
|
|
Ceiling brick
|
|
DK5206C
(en)
|
|
Gas Production Procedure.
|
|
DK4976C
(en)
|
|
Apparatus for the manufacture of cement pipes.
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|
FR321563A
(en)
|
|
Armed masonry
|
|
DK4980C
(en)
|
|
Method of Making an Insulating Agent.
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|
DK9358C
(en)
|
|
Form for Manufacture of Gypsum and Cement Separators.
|
|
DK5177C
(en)
|
|
Procedure for the production of real adhesives.
|
|
FR324854A
(en)
|
|
Slate brick
|
|
DK9715C
(en)
|
|
Method of Making Calcium Cyanamide.
|
|
CH23245A
(en)
|
|
Building block
|
|
CH27765A
(en)
|
|
Building block
|
|
DK5258C
(en)
|
|
Mass for Storage of Acetylene.
|
|
DK4929C
(en)
|
|
Procedure for the manufacture of hollow glassware.
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|
CH26343A
(en)
|
|
Novel artificial building block
|
|
DK3039C
(en)
|
|
Procedure for the manufacture of lime silicate stone.
|