US2798674A
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Filter aid and its preparation
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US2784085A
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Manufacture of high temperature insulating materials
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US2495597A
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Bonding mineral insulating material
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US2517090A
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Method of molding magnesite products
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US2433265A
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Manufacture of magnesia products
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US2538236A
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Insulating material
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US2456643A
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Lightweight material and its preparation
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US2289250A
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Manufacture of insulating material
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US2311588A
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Method of making refractory insulating blocks
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US2342574A
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Lightweight mineral material
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US2265358A
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Apparatus for exfoliation of vermiculite
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US2258176A
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Removable insulating unit for pipe couplings and the like
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US2204581A
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Insulating material and its manufacture
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US2259879A
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Lightweight mineral material
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GB485510A
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Improvements in methods of forming plastic objects
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GB485503A
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An improved process of expanding or exfoliating vermiculite and other similar mineral substances
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GB485507A
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Improvements relating to heat insulation products
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GB485505A
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Improvements relating to the manufacture of products containing vermiculite
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GB485511A
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Improvements relating to the manufacture of plastic bricks, blocks, slabs, tiles and the like
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GB485508A
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Improvements in plastic refractory materials, and processes for producing the same
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