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发明名称
RUBBER DAM
摘要
申请公布号
KR920001472(B1)
申请公布日期
1992.02.14
申请号
KR19840004417
申请日期
1984.07.25
申请人
SUMITOMO DENGI GOKYO K.K.
发明人
TSUJI, YOSHIOMI;NAITO, HAJIME
分类号
E02B7/20;E02B7/00;(IPC1-7):E02B7/20
主分类号
E02B7/20
代理机构
代理人
主权项
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