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发明名称
Verfahren zur Herstellung von eisernen Hohlschwellen
摘要
申请公布号
DE574168(C)
申请公布日期
1933.04.10
申请号
DE1932V028065D
申请日期
1932.04.13
申请人
VEREINIGTE STAHLWERKE AKT.-GES.
发明人
GROSSWEISCHEDE JULIUS;HEINEMANN JOHANNES
分类号
E01B23/12
主分类号
E01B23/12
代理机构
代理人
主权项
地址
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