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发明名称
PERFEZIONAMENTO NEGLI SCALPELLI ROTANTI PER TRIVELLAZIONI
摘要
申请公布号
IT1089838(B)
申请公布日期
1985.06.18
申请号
IT19770050954
申请日期
1977.09.09
申请人
DRESSER IND
发明人
分类号
B23K15/00;E21B10/20;E21B10/62;(IPC1-7):E21B/
主分类号
B23K15/00
代理机构
代理人
主权项
地址
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