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发明名称
摘要
申请公布号
DE2046173(A1)
申请公布日期
1972.03.23
申请号
DE19702046173
申请日期
1970.09.18
申请人
发明人
分类号
B63B11/02;B63B25/10;(IPC1-7):B63B35/00
主分类号
B63B11/02
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代理人
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