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发明名称
RAILROAD TRAFFIC TRACK AND METHOD OF STRENGTHENING TRACKS
摘要
申请公布号
PL307546(A1)
申请公布日期
1995.09.18
申请号
PL19950307546
申请日期
1995.03.06
申请人
PORR TECHNOBAU AG
发明人
BRANDL HEINZ;MALY HEINZ
分类号
E01B1/00;E01B2/00;E02D27/14;E02D27/36;(IPC1-7):E01B2/00
主分类号
E01B1/00
代理机构
代理人
主权项
地址
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