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发明名称
Check valve
摘要
申请公布号
US2736338(A)
申请公布日期
1956.02.28
申请号
US19510265139
申请日期
1951.12.29
申请人
BRITTON KARL B
发明人
BRITTON KARL B.
分类号
F16K15/02
主分类号
F16K15/02
代理机构
代理人
主权项
地址
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