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发明名称
BALLAST WELL
摘要
申请公布号
KR920000336(Y1)
申请公布日期
1992.01.15
申请号
KR19890012255U
申请日期
1989.08.22
申请人
SAM SUNG HEAVY IND. CORP.
发明人
KIM, SANG - GYU
分类号
B63B43/06;(IPC1-7):B63B43/06
主分类号
B63B43/06
代理机构
代理人
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地址
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