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发明名称
Valve
摘要
申请公布号
US2197384(A)
申请公布日期
1940.04.16
申请号
US19380238571
申请日期
1938.11.03
申请人
RAYBOULD COUPLING COMPANY
发明人
RAYBOULD FRANK J.
分类号
F16K1/46
主分类号
F16K1/46
代理机构
代理人
主权项
地址
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