Cementitious material |
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| 申请号 | US71449358 | 申请日 | 1958-02-11 | 公开(公告)号 | US2979415A | 公开(公告)日 | 1961-04-11 |
| 申请人 | BRITISH PLASTER BOARD HOLDINGS; | 发明人 | BORIS TAYLOR JOHN; | ||||
| 摘要 | |||||||
| 权利要求 | 1. A CEMENTITIOUS MATERIAL IN THE FORM OF CELLULAR GRANULAR PARTICLES, SAID PARTICLES CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF SOLUBLE ANHYDRITE AND CALCIUM SULPHATE HEMIHYDRATE. |
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| 说明书全文 | |||||||
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