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发明名称
Fuer Rillenschienengleise dienendes Herzstueck aus Vollkopfschienen
摘要
申请公布号
DE526030(C)
申请公布日期
1931.06.01
申请号
DED526030D
申请日期
1930.01.19
申请人
GUTEHOFFNUNGSHUETTE OBERHAUSEN AKT.-GES.
发明人
分类号
E01B7/12
主分类号
E01B7/12
代理机构
代理人
主权项
地址
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