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发明名称
APPARATUS FOR HANDLING HEAVY MEMBERS IN INCLINED COAL MINE WORKINGS
摘要
申请公布号
PL148076(B1)
申请公布日期
1989.09.30
申请号
PL19860258557
申请日期
1986.03.21
申请人
发明人
分类号
B65G17/20;E21F13/04;(IPC1-7):E21F13/04
主分类号
B65G17/20
代理机构
代理人
主权项
地址
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