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发明名称
Ball check valve
摘要
申请公布号
US3176713(A)
申请公布日期
1965.04.06
申请号
US19610137549
申请日期
1961.09.12
申请人
AMERICAN CYANAMID COMPANY
发明人
MCDERMOTT JOHN R.;JR. RICHARD F. MULLER,
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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