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发明名称
METHOD OF LAYING TRACKS WITH STABLE GAUGE
摘要
申请公布号
RU2022071(C1)
申请公布日期
1994.10.30
申请号
SU19915001976
申请日期
1991.10.11
申请人
BVG BUTTSBAKHER VAJKHENBAU GMBKH
发明人
FLETER FRIDKHELM
分类号
E01B7/22;(IPC1-7):E01B7/22
主分类号
E01B7/22
代理机构
代理人
主权项
地址
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