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发明名称
Sicherung gegen unbefugtes Loesen der Stosslaschenschrauben im Eisenbahnoberbau unter Verwendung von mittels Sperrschrauben gesicherten Gegenmuttern der Laschenschraubenmuttern
摘要
申请公布号
DE513367(C)
申请公布日期
1932.04.08
申请号
DE1926K100827D
申请日期
1926.09.22
申请人
HERBERT KEIN
发明人
分类号
E01B11/38;E01B29/28
主分类号
E01B11/38
代理机构
代理人
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