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经营范围
发明名称
Relief valve
摘要
申请公布号
US1951926(A)
申请公布日期
1934.03.20
申请号
US19290377968
申请日期
1929.07.13
申请人
CROSBY STEAM GAGE & VALVE CO.
发明人
DAVIDSON KENNETH S. M.
分类号
F16K17/06
主分类号
F16K17/06
代理机构
代理人
主权项
地址
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