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经营范围
发明名称
CONCRETE SLEEPER HAVING RAIL-FASTENING MEANS
摘要
申请公布号
DE3562497(D1)
申请公布日期
1988.06.09
申请号
DE19853562497
申请日期
1985.01.25
申请人
HOESCH AKTIENGESELLSCHAFT
发明人
STEINFELD, HORST E.;WESTERDORFF, GERD
分类号
E01B3/28;E01B9/30;(IPC1-7):E01B9/30
主分类号
E01B3/28
代理机构
代理人
主权项
地址
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