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Patents for C03C 11 - Multi-cellular glass (1,403) |
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04/06/1976 | US3949030 Decomposing boron oxynitride to produce gas, primary and secondary closed cells | 03/23/1976 | US3945816 Foaming glass, silica, leaching | 03/09/1976 | US3942990 Method for producing foamed ceramics |
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