GB540832A
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Composite materials and method of making same
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GB543803A
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Regranulated cork and methods of preparing same
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GB528308A
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Improvements in or relating to waterproofing emulsions and to methods of preparing same
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US2156311A
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Cement fiber product
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US2232977A
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Method of producing integral waterproofing emulsions and products thereof
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US2209366A
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Method and apparatus for feeding and distributing sludgy materials
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US2231007A
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Surface covering and assembly thereof
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US2231006A
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Surface covering material
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US2231008A
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Surface covering and assembly thereof
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US2235008A
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Building material and process of making the same
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US2201175A
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Building material and the like
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US2156901A
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Method and apparatus for feeding and distributing sludgy materials
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US2206915A
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Roofing and siding material
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US2191465A
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Surface covering material
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US2202002A
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Coating and coloration of granulated materials
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US2131043A
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Process of making building elements and the like
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US2131044A
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Method of making building material
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US2156310A
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Asbestos cement shingle and process of making the same
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US2185195A
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Art of curing and packaging building material
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US2156309A
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Method of producing compressed products
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