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发明名称
Vorrichtung zur Sicherung der Laschenschraubenmuttern fuer Stossverbindungen von Eisebahnschienen
摘要
申请公布号
DE498437(C)
申请公布日期
1930.05.22
申请号
DE1928B135843D
申请日期
1928.02.12
申请人
EUGENE BRANDT
发明人
分类号
E01B11/38
主分类号
E01B11/38
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代理人
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