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发明名称
ROADWAY MACHINE FOR PICKING UP BALLAST AND GRADING SLOPES OF BALLAST PYRAMID
摘要
申请公布号
SU1743367(A3)
申请公布日期
1992.06.23
申请号
SU19884355762
申请日期
1988.05.25
申请人
FRANZ PLASSER BAHNBAUMASCHINEN IND GMBH
发明人
LUDWIG WALTER,DE
分类号
E01B27/02
主分类号
E01B27/02
代理机构
代理人
主权项
地址
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