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发明名称
Schraeg gelagerte Hubrollen fuer Gleisrueckmaschinen
摘要
申请公布号
DE496449(C)
申请公布日期
1930.04.22
申请号
DENDATD057736D
申请日期
申请人
DEUTSCHE ERDOEL-AKT.-GES.
发明人
分类号
E01B33/18
主分类号
E01B33/18
代理机构
代理人
主权项
地址
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