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发明名称
Check valve
摘要
申请公布号
US2419318(A)
申请公布日期
1947.04.22
申请号
US19440562421
申请日期
1944.11.08
申请人
THE ARO EQUIPMENT CORPORATION
发明人
JOHNSON JAMES P.
分类号
F16K15/03
主分类号
F16K15/03
代理机构
代理人
主权项
地址
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