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Process of producing acoustic material
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Apparatus for producing cellular cementitious materials
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Method of making cellular concrete
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Method of treating foam compounds
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Method of and apparatus for mixing foam with plastic materials
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Apparatus for producing foam
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Process of manufacturing cellular concrete
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Method of making porous concrete by forcing air into cement slurries
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Method of manufacturing artificial traverting or the like
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Process of making porous products
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Process for producing alpha foamy body adapted to be used in making cellular concrete
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Cellular cement and a process for making the same
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