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经营范围
发明名称
DRILL CHUCK
摘要
申请公布号
JPS5561695(A)
申请公布日期
1980.05.09
申请号
JP19790140021
申请日期
1979.10.31
申请人
KLOECKNER BECORIT SOUTH AFRICA
发明人
GIYUNTERU HORUSUTO BUAISUBUROO
分类号
E21B19/06;E21B3/00;E21B19/08;E21C
主分类号
E21B19/06
代理机构
代理人
主权项
地址
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