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发明名称
Valve structure
摘要
申请公布号
US2142368(A)
申请公布日期
1939.01.03
申请号
US19370165837
申请日期
1937.09.27
申请人
MUELLER ERVIN H
发明人
MUELLER ERVIN H.
分类号
F16K5/10
主分类号
F16K5/10
代理机构
代理人
主权项
地址
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