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发明名称
Safety valve having shielded sealing member
摘要
申请公布号
US2832372(A)
申请公布日期
1958.04.29
申请号
US19540407274
申请日期
1954.02.01
申请人
FARRIS VICTOR W
发明人
FARRIS VICTOR W.
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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