发明名称 |
Diaphragm valves |
摘要 |
|
申请公布号 |
US2716017(A) |
申请公布日期 |
1955.08.23 |
申请号 |
US19520306860 |
申请日期 |
1952.08.28 |
申请人 |
GRINNELL CORPORATION |
发明人 |
LINKER WILLIAM L. |
分类号 |
F16K7/12 |
主分类号 |
F16K7/12 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|
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