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发明名称
Keilfusslasche fuer Eisenbahnschienen mit die Schienenenden nicht belastendem Mittelteil
摘要
申请公布号
DE529974(C)
申请公布日期
1931.07.20
申请号
DED529974D
申请日期
申请人
OSCAR MELAUN
发明人
分类号
E01B11/60
主分类号
E01B11/60
代理机构
代理人
主权项
地址
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