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发明名称
Verfahren zur Herstellung eiserner Bahnschwellen
摘要
申请公布号
DE685954(C)
申请公布日期
1939.12.29
申请号
DE1931R081138D
申请日期
1931.03.27
申请人
ROECHLING'SCHE EISEN- UND STAHLWERKE G.M.B.H.
发明人
分类号
B21K9/00
主分类号
B21K9/00
代理机构
代理人
主权项
地址
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