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发明名称
Ziehverfahren ueber abgesetzten Dorn zum Herstellen von ungeteilten Hohlachsen fuer Eisenbahnfahrzeuge
摘要
申请公布号
DE643798(C)
申请公布日期
1937.04.17
申请号
DE1933V029023D
申请日期
1933.01.07
申请人
VEREINIGTE OBERSCHLESISCHE HUETTENWERKE AKT.-GES.
发明人
分类号
B21C37/16;B21K1/06
主分类号
B21C37/16
代理机构
代理人
主权项
地址
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