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发明名称
OIL COLLECTOR FROM WATER SURFACE
摘要
申请公布号
KR1019810001347(B1)
申请公布日期
1981.10.15
申请号
KR1019760001070
申请日期
1976.04.28
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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