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发明名称
LIGHTWEIGHT BRATTICE FOR USE IN UNDERGROUND MINES
摘要
申请公布号
ZA8400436(B)
申请公布日期
1986.03.26
申请号
ZA19840000436
申请日期
1984.01.19
申请人
D.J. MINE SERVICES (PROPRIETARY) LIMITED
发明人
NORMAN THOMSON GILMOUR
分类号
E04F;E21F
主分类号
E04F
代理机构
代理人
主权项
地址
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