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发明名称
摘要
申请公布号
FR2082011(A5)
申请公布日期
1971.12.10
申请号
FR19690043922
申请日期
1969.12.18
申请人
MINISTERIUM VERKEHRSWESE
发明人
分类号
B61G7/06;(IPC1-7):B61G11/00
主分类号
B61G7/06
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