| 发明名称 |
Constant support hangers |
| 摘要 |
|
| 申请公布号 |
US2981512(A) |
申请公布日期 |
1961.04.25 |
| 申请号 |
US19580717349 |
申请日期 |
1958.02.25 |
| 申请人 |
GRINNELL CORPORATION |
发明人 |
ZOLLINGER ALFRED |
| 分类号 |
F16L3/215;F22B37/20 |
主分类号 |
F16L3/215 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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