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经营范围
发明名称
Relief valve
摘要
申请公布号
US3048188(A)
申请公布日期
1962.08.07
申请号
US19570693052
申请日期
1957.10.29
申请人
HUNTER FRANK B
发明人
HUNTER FRANK B.
分类号
F16K17/08
主分类号
F16K17/08
代理机构
代理人
主权项
地址
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