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经营范围
发明名称
(B1) ;MECHANIZED MINE ROOF SUPPORT
摘要
申请公布号
PL224241(A1)
申请公布日期
1981.11.27
申请号
PL19800224241
申请日期
1980.05.13
申请人
CT KT MASZYN GORNICZYCH KOMAG
发明人
DROBCZYNSKI EUGENIUSZ;PRETOR WINCENTY
分类号
E21D;E21D23/06;(IPC1-7):E21D/
主分类号
E21D
代理机构
代理人
主权项
地址
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