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经营范围
发明名称
Adjustable by-pass check valve
摘要
申请公布号
US2480108(A)
申请公布日期
1949.08.30
申请号
US19460644097
申请日期
1946.01.29
申请人
BARKER MARTIN J
发明人
BARKER MARTIN J.
分类号
F16K15/04
主分类号
F16K15/04
代理机构
代理人
主权项
地址
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