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发明名称
Check valve
摘要
申请公布号
US3027914(A)
申请公布日期
1962.04.03
申请号
US19570697149
申请日期
1957.11.18
申请人
CAMERON IRON WORKS, INC.
发明人
JONES MARVIN R.
分类号
F16K15/06
主分类号
F16K15/06
代理机构
代理人
主权项
地址
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