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经营范围
发明名称
Sound absorbing construction for railway track without ballast and slip form paver
摘要
申请公布号
EP0742319(A3)
申请公布日期
1997.07.16
申请号
EP19960107492
申请日期
1996.05.10
申请人
HEILIT & WOERNER BAU-AG
发明人
VON WILCKEN, ALEXANDER
分类号
E01B19/00;E01C19/48;E01F8/00;E01F8/02;(IPC1-7):E01B19/00;E01C19/50
主分类号
E01B19/00
代理机构
代理人
主权项
地址
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