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发明名称
摘要
申请公布号
FR2411273(B1)
申请公布日期
1983.11.04
申请号
FR19780020661
申请日期
1978.07.11
申请人
BROWN AND ASSOCIATES CORP AG RJ
发明人
分类号
E02F5/10;(IPC1-7):E02F5/02;F16L1/04
主分类号
E02F5/10
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