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发明名称
摘要
申请公布号
FR2077727(A1)
申请公布日期
1971.11.05
申请号
FR19700004564
申请日期
1970.02.10
申请人
LE HIR JEAN PIERRE
发明人
分类号
B63H21/175;(IPC1-7):B63H5/00
主分类号
B63H21/175
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