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发明名称
SCHRAEMKOPF FUER EINE GEWINNUNGSMASCHINE FUER DEN BERGBAU
摘要
申请公布号
DE3400536(A1)
申请公布日期
1984.07.12
申请号
DE19843400536
申请日期
1984.01.10
申请人
COAL INDUSTRY (PATENTS) LTD., LONDON, GB
发明人
FRENCH, ALBERT GRAHAM, WILLINGTON, DERBYSHIRE, GB;BROOKS, DEREK JOHN, ASHBY-DE-LA-ZOUCH, LEICESTERSHIRE, GB
分类号
E21C25/10;E21C35/23;(IPC1-7):E21C27/00
主分类号
E21C25/10
代理机构
代理人
主权项
地址
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