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发明名称
ROUND SHANK PICK
摘要
申请公布号
EP0275890(B1)
申请公布日期
1990.10.10
申请号
EP19880100268
申请日期
1988.01.12
申请人
BETEK BERGBAU- UND HARTMETALLTECHNIK KARL-HEINZ SIMON GMBH & CO. KG
发明人
SIMON, PETER
分类号
E21C35/18;E21C35/197
主分类号
E21C35/18
代理机构
代理人
主权项
地址
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