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发明名称
Verfahren und Bettung zum Verlegen von Eisenbahnquerschwellen
摘要
申请公布号
DE635246(C)
申请公布日期
1936.09.12
申请号
DE1933ST51340D
申请日期
1933.10.06
申请人
HEINRICH STEINHAGE G.M.B.H.
发明人
分类号
E01B1/00
主分类号
E01B1/00
代理机构
代理人
主权项
地址
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