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发明名称
TWO-WAY CHECK VALVE FOR AUTOMOBILE
摘要
申请公布号
KR1019900004354(B1)
申请公布日期
1990.06.23
申请号
KR1019870012649
申请日期
1987.11.10
申请人
发明人
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主分类号
代理机构
代理人
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