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FR2601684A1
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Method for preventing proliferation of plants on an article of non-metallic porous material, in particular a building covering element
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FR2601406A3
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Process for realizing a sealed smoke exhaust conduit and conduit obtained.
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FR2405908A1
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Clay building prods. made without baking - where hardened prods. are soaked in water to provide high dimensional stability
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FR2326114A7
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Fired porous clay granulates - for replacing sand or aggregate in concrete mfr.
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FR2239091A5
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Alveolar sintered clay product - for thermal insulating panels
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FR2093133A5
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Cellular baked clay - from foamed clay containing an aryl sulphonate or alkylamino propionic acid
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FR2088578A5
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Cellular clay products - produced by controlled outgassing
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FR2082536A5
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Resin impregnated terra-cotta - gives building materials of high strength
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FR2082537A5
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Tetrahedral ceramic granules - for use in road surfacing concrete etc
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