| 发明名称 |
WALLBOARD CEILING SUSPENSION |
| 摘要 |
<p>WALLBOARD CEILING SUSPENSION A wallboard ceiling with a novel concealed attachment means including a centrally suspended flexible gang nail plate and means for attachment to a wood joist or truss.</p> |
| 申请公布号 |
CA1143531(A) |
申请公布日期 |
1983.03.29 |
| 申请号 |
CA19800348804 |
申请日期 |
1980.03.27 |
| 申请人 |
NATIONAL GYPSUM COMPANY |
发明人 |
WING, STEVEN D.;SMITH, RICHARD E. |
| 分类号 |
(IPC1-7):E04B5/55 |
主分类号 |
(IPC1-7):E04B5/55 |
| 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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