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发明名称
변기의 지연밸브
摘要
내용 없음
申请公布号
KR860002622(A)
申请公布日期
1986.04.28
申请号
KR19840005743
申请日期
1984.09.20
申请人
장관순
发明人
장관순
分类号
主分类号
代理机构
代理人
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