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发明名称
Ball check valve
摘要
申请公布号
US3335750(A)
申请公布日期
1967.08.15
申请号
US19640402080
申请日期
1964.10.07
申请人
KEPNER HUGH G
发明人
KEPNER HUGH G.
分类号
F16K15/04
主分类号
F16K15/04
代理机构
代理人
主权项
地址
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