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发明名称
Internal Check Valve
摘要
申请公布号
CA2118971(A1)
申请公布日期
1994.07.21
申请号
CA19942118971
申请日期
1994.03.14
申请人
FOSTER, RAYMOND K.
发明人
FOSTER, RAYMOND K.
分类号
F15B15/14;(IPC1-7):F15B15/20
主分类号
F15B15/14
代理机构
代理人
主权项
地址
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