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经营范围
发明名称
Relief valve
摘要
申请公布号
US2759487(A)
申请公布日期
1956.08.21
申请号
US19520283822
申请日期
1952.04.23
申请人
MERIT ENGINEERING, INC.
发明人
LORNITZO FRANK C.
分类号
F16K17/10
主分类号
F16K17/10
代理机构
代理人
主权项
地址
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