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发明名称
SELF-ADVANCING ROOF SUPPORTS FOR THE CROSSING BETWEEN A LONGWALL WORKING AND A GALLERY
摘要
申请公布号
PL292773(A1)
申请公布日期
1993.04.05
申请号
PL19910292773
申请日期
1991.12.12
申请人
CT KT MASZYN GORNICZYCH KOMAG
发明人
CIESLAK ZBIGNIEW;KOZIOL ERWIN;JARNO LESZEK;PRETOR WINCENTY;IZYDORCZYK HENRYK;PANUSZKA WITOLD;NAGLIK JACEK;TROLKA ANTONI;OLENDER KORNEL
分类号
E21D11/36;E21D23/00;(IPC1-7):E21D11/36
主分类号
E21D11/36
代理机构
代理人
主权项
地址
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