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发明名称
CUTTING TOOL
摘要
申请公布号
GB8511348(D0)
申请公布日期
1985.06.12
申请号
GB19850011348
申请日期
1985.05.03
申请人
BELZER-DOWIDAT GMBH WERKZEUG-UNION
发明人
分类号
E21B10/56;E21C35/18;E21C35/183
主分类号
E21B10/56
代理机构
代理人
主权项
地址
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