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发明名称
CHECK VALVE
摘要
申请公布号
KR890009185(Y1)
申请公布日期
1989.12.18
申请号
KR19860003247U
申请日期
1986.03.18
申请人
SHIN YOUNG-SU
发明人
SHIN YOUNG-SU
分类号
F16K15/18;(IPC1-7):F16K15/18
主分类号
F16K15/18
代理机构
代理人
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地址
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