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US2316228A
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Process for the production of chromite blocks
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GB416223A
|
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Improvements in walls, floors and roofs, and building elements therefor
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US1918462A
|
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Apparatus for impregnating coarsely fibrous materials to be worked up into building elements
|
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US1953704A
|
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Apparatus for manufacturing porous bodies from fibrous materials
|
|
US1981592A
|
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Method of impregnating fibrous materials for building elements
|
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US1772712A
|
|
Method and machine for manufacturing wood wool
|
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GB315628A
|
|
Improved process for manufacturing moulded articles from fibrous materials
|
|
DE434348C
|
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Method and device for the production of molded parts from fibrous materials cemented with Sorel cement
|
|
GB245056A
|
|
Improved manufacture of joists, beams, girders, shuttering and like building materials
|
|
GB254813A
|
|
Improvements in or relating to building elements
|
|
US1698881A
|
|
Method and apparatus for mixing long-fibered materials with powdery substances
|
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US1593163A
|
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Forming machine for making building plates
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