发明名称 |
Plug valve |
摘要 |
|
申请公布号 |
US2045113(A) |
申请公布日期 |
1936.06.23 |
申请号 |
US19330693551 |
申请日期 |
1933.10.14 |
申请人 |
WARD LEO A |
发明人 |
WARD LEO A. |
分类号 |
F16K5/16 |
主分类号 |
F16K5/16 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|
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