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发明名称
摘要
申请公布号
FR2388080(B1)
申请公布日期
1983.11.10
申请号
FR19780011710
申请日期
1978.04.20
申请人
PLASSER BAHNBAUMASCHIN IND GMBH
发明人
分类号
E01B29/02;(IPC1-7):E01B29/02
主分类号
E01B29/02
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