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经营范围
发明名称
Relief valve
摘要
申请公布号
US2092819(A)
申请公布日期
1937.09.14
申请号
US19350016429
申请日期
1935.04.15
申请人
TENNANT JOSEPH A
发明人
TENNANT JOSEPH A.
分类号
F16K17/14
主分类号
F16K17/14
代理机构
代理人
主权项
地址
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