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发明名称
METHOD OF AND ARRANGEMENT OF WORKINGS FOR CLARIFICATION OF FILLING MATERIAL CARRYING WATER
摘要
申请公布号
PL274238(A1)
申请公布日期
1990.02.19
申请号
PL19880274238
申请日期
1988.08.12
申请人
KOPALNIA WEGLA KAMIENNEGO MARC
发明人
TOMANEK HERBERT;KOPKA FRANCISZEK;BYRTEK BOGUSLAW;TRELENBERG PAWEL;HANSLIK JOZEF
分类号
E21F;(IPC1-7):E21F/
主分类号
E21F
代理机构
代理人
主权项
地址
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