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发明名称
Valve operating mechanism
摘要
申请公布号
US2187581(A)
申请公布日期
1940.01.16
申请号
US19370169921
申请日期
1937.10.20
申请人
OXWELD ACETYLENE COMPANY
发明人
YOUNG LLOYD W.
分类号
F16K11/16
主分类号
F16K11/16
代理机构
代理人
主权项
地址
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