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发明名称
Milling cutter blades
摘要
申请公布号
US3106766(A)
申请公布日期
1963.10.15
申请号
US19600073037
申请日期
1960.12.01
申请人
JACK CHADDERDON
发明人
CHADDERDON JACK
分类号
E21B10/00;E21B29/00
主分类号
E21B10/00
代理机构
代理人
主权项
地址
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