| 发明名称 |
USE OF FIBROUS MAT-FACED GYPSUM BOARD IN SHAFT WALL ASSEMBLIES AND IMPROVED FIRE-RESISTANT BOARD |
| 摘要 |
In a shaft wall assembly comprising fire-resistant framework and gypsum board supported by said framework, the improvement comprising gypsum board which is faced with fibrous mat. |
| 申请公布号 |
CA1309828(C) |
申请公布日期 |
1992.11.10 |
| 申请号 |
CA19860516602 |
申请日期 |
1986.08.22 |
| 申请人 |
LEHNERT, CHARLES W. |
发明人 |
LEHNERT, CHARLES W.;RANDALL, BRIAN G.;FOWLER, GEORGE F., JR.;HINKEL, RAY W. |
| 分类号 |
B32B17/02;B28B11/04;B32B5/08;B32B13/14;E04B1/94;E04C2/04;E04C2/26;E04F17/00;E04F17/08 |
主分类号 |
B32B17/02 |
| 代理机构 |
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