| 发明名称 |
APPARATUS FOR REINFORCING A PORTION OF A METAL JOIST ADJACENT AN OPENING THERETHROUGH AND METHODS FOR FORMING REINFORCED OPENINGS IN METAL SUPPORT MEMBERS |
| 摘要 |
Apparatus and methods for reinforcing an opening in a support member such as a joist.
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| 申请公布号 |
CA2391880(A1) |
申请公布日期 |
2003.05.08 |
| 申请号 |
CA20022391880 |
申请日期 |
2002.06.27 |
| 申请人 |
DIETRICH INDUSTRIES, INC. |
发明人 |
DAUDET, LARRY R. |
| 分类号 |
E04B1/24;E04C3/09;(IPC1-7):E04C5/01;E04C5/18 |
主分类号 |
E04B1/24 |
| 代理机构 |
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代理人 |
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| 主权项 |
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