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经营范围
发明名称
COAL CUTTER
摘要
申请公布号
PL168390(B1)
申请公布日期
1996.02.29
申请号
PL19920294987
申请日期
1992.06.23
申请人
TIEFENBACH GMBH
发明人
KUSSEL WILLY;DEMIRCAN BAYRAMALI
分类号
E21C31/00;E21C35/24;(IPC1-7):E21C35/24
主分类号
E21C31/00
代理机构
代理人
主权项
地址
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