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经营范围
发明名称
SCALPELLO DI PERFORAZIONE CON STRUTTURA DEL DENTE A SUPERFICIE INDURI-TA.
摘要
申请公布号
ITTO940487(D0)
申请公布日期
1994.06.13
申请号
IT1994TO00487
申请日期
1994.06.13
申请人
BAKER HUGHES INCORPORATED
发明人
ZAHRADNOK ANTON F.
分类号
E21B10/50
主分类号
E21B10/50
代理机构
代理人
主权项
地址
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