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发明名称
Valve
摘要
申请公布号
US2535310(A)
申请公布日期
1950.12.26
申请号
US19450610706
申请日期
1945.08.14
申请人
MATTISON RALPH W
发明人
MATTISON RALPH W.
分类号
F16K7/06
主分类号
F16K7/06
代理机构
代理人
主权项
地址
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