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发明名称
摘要
申请公布号
FR2350430(B1)
申请公布日期
1979.07.27
申请号
FR19760013501
申请日期
1976.05.03
申请人
VAGINAY PIERRE
发明人
分类号
E02D13/04;(IPC1-7):E02D7/00
主分类号
E02D13/04
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