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经营范围
发明名称
Relief valve
摘要
申请公布号
US2013372(A)
申请公布日期
1935.09.03
申请号
US19330687723
申请日期
1933.08.31
申请人
WILLY WORK ERNEST
发明人
WORK ERNEST WILLY
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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