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发明名称
Self-closing valve
摘要
申请公布号
US2355862(A)
申请公布日期
1944.08.15
申请号
US19420437873
申请日期
1942.04.06
申请人
OMEGA MACHINE COMPANY
发明人
HARPER LYNDUS E.
分类号
F16K15/04;F16K15/14
主分类号
F16K15/04
代理机构
代理人
主权项
地址
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