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发明名称
APPARATUS FOR MAINTAINING SERVICEABILITY OF SUSPENSION RAILWAY TRACK IN PARTICULAR THAT USED IN UNDERGROUND MINE HAULAGE
摘要
申请公布号
PL123608(B1)
申请公布日期
1982.11.30
申请号
PL19790217670
申请日期
1979.08.08
申请人
发明人
分类号
B65G;E01B31/08;E21F;(IPC1-7):E01B31/08
主分类号
B65G
代理机构
代理人
主权项
地址
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