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发明名称
Check valve
摘要
申请公布号
US2208690(A)
申请公布日期
1940.07.23
申请号
US19380226639
申请日期
1938.08.25
申请人
CURTISS-WRIGHT CORPORATION
发明人
TYDON WALTER
分类号
F16K15/02;F16K15/14
主分类号
F16K15/02
代理机构
代理人
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地址
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