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发明名称
Valve
摘要
申请公布号
US2501869(A)
申请公布日期
1950.03.28
申请号
US19460671837
申请日期
1946.05.23
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
LOUCKS ALTON L.
分类号
F16K21/04
主分类号
F16K21/04
代理机构
代理人
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地址
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