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发明名称
ROCK MINING METHOD AND CUTTING HEAD THEREFOR
摘要
申请公布号
PL185272(B1)
申请公布日期
2003.04.30
申请号
PL19970322336
申请日期
1997.09.25
申请人
ZAKLADY NAPRAWCZE PRZEMYSLU WEGLOWEGO REMAG
发明人
GRUSZCZYK JERZY;STANICZEK FRANCISZEK;KORCZYNSKI MACIEJ;PAWLIK JADWIGA;PAWLIK KAZIMIERZ
分类号
E21C25/10
主分类号
E21C25/10
代理机构
代理人
主权项
地址
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