| 发明名称 |
Granulated light building material eg pumice - stone silicate foam grains, and expanded clay |
| 摘要 |
<p>The individual grains have their external surface covered with a styrene polymer or copolymer which contains a carrier agent. Specif. the covering layer comprises beads or rods of un-foamed styrene polymer.</p> |
| 申请公布号 |
FR2050999(A5) |
申请公布日期 |
1971.04.02 |
| 申请号 |
FR19700021242 |
申请日期 |
1970.06.10 |
| 申请人 |
TRASSWERKE MEURIN BETRIE |
发明人 |
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| 分类号 |
C04B20/10;C04B20/12;C04B38/08;C08J9/35;(IPC1-7):04B31/00;04G21/00;04B15/00 |
主分类号 |
C04B20/10 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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