发明名称 |
Ball cock valve |
摘要 |
|
申请公布号 |
US2808850(A) |
申请公布日期 |
1957.10.08 |
申请号 |
US19550537640 |
申请日期 |
1955.09.30 |
申请人 |
DOYLE ORVILLE K |
发明人 |
DOYLE ORVILLE K. |
分类号 |
F16K31/34 |
主分类号 |
F16K31/34 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|
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