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发明名称
(B1) ;MINE ROOF SUPPORT FOR THICK DEPOSITS
摘要
申请公布号
PL218721(A1)
申请公布日期
1981.04.10
申请号
PL19790218721
申请日期
1979.10.02
申请人
CT KT MASZYN GORNICZYCH KOMAG
发明人
GORSKI EUGENIUSZ;JANIK EDWARD;ROMANOWICZ STANISLAW;HAGEL MAREK;OLENDER KORNEL;SZEWCZYK STANISLAW;BOLEK MARIAN;NEUGEBAUER JAN
分类号
E21D23/04;E21D23/06;(IPC1-7):E21D/
主分类号
E21D23/04
代理机构
代理人
主权项
地址
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