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发明名称
FILLING MATERIAL CONVEYOR SYSTEM FOR MINE WORKINGS
摘要
申请公布号
PL290580(A1)
申请公布日期
1992.12.14
申请号
PL19910290580
申请日期
1991.06.05
申请人
ORCHEL STANISLAW;BLOCHEL HELMUT;FRACZEK SYLWESTER;JAWIEN KRZYSZTOF;KANIA MARIAN
发明人
ORCHEL STANISLAW;BLOCHEL HELMUT;FRACZEK SYLWESTER;JAWIEN KRZYSZTOF;KANIA MARIAN
分类号
E21F15/10;(IPC1-7):E21F15/10
主分类号
E21F15/10
代理机构
代理人
主权项
地址
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