发明名称 |
Flow controlling device |
摘要 |
|
申请公布号 |
US2625172(A) |
申请公布日期 |
1953.01.13 |
申请号 |
US19500157678 |
申请日期 |
1950.04.24 |
申请人 |
PAGE JOHN S |
发明人 |
PAGE JOHN S. |
分类号 |
F16K43/00;G05D7/01 |
主分类号 |
F16K43/00 |
代理机构 |
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代理人 |
|
主权项 |
|
地址 |
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