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发明名称
Sicherung gegen unbefugtes Loesen der Laschenschrauben an Schienenstoss-verbindungenmittels U-foermig gebogener, die Laschenschraubenmuttern und Koepfe abdeckender UEberwurflaschen
摘要
申请公布号
DE493035(C)
申请公布日期
1930.03.01
申请号
DE1927L068152D
申请日期
1927.03.11
申请人
LIESEN & CO.
发明人
分类号
E01B11/38
主分类号
E01B11/38
代理机构
代理人
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地址
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