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发明名称
Verfahren zur Herstellung einer Hohlachse fuer Schienenfahrzeuge
摘要
申请公布号
DE912415(C)
申请公布日期
1954.05.28
申请号
DE1942D001372D
申请日期
1942.08.08
申请人
RHEINISCHE ROEHRENWERKE AKTIENGESELLSCHAFT
发明人
HOERMANN DR. ERICH;PORTNER LUDWIG
分类号
B21K7/00
主分类号
B21K7/00
代理机构
代理人
主权项
地址
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