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发明名称
Valve construction
摘要
申请公布号
US2282490(A)
申请公布日期
1942.05.12
申请号
US19400338727
申请日期
1940.06.04
申请人
MARTIN OTIS C
发明人
MARTIN OTIS C.
分类号
F16K11/14
主分类号
F16K11/14
代理机构
代理人
主权项
地址
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