发明名称 |
Ladder clamp |
摘要 |
|
申请公布号 |
US2550365(A) |
申请公布日期 |
1951.04.24 |
申请号 |
US19470770104 |
申请日期 |
1947.08.22 |
申请人 |
MCKENZIE CLARENCE M |
发明人 |
MCKENZIE CLARENCE M. |
分类号 |
E06C7/14 |
主分类号 |
E06C7/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
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