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经营范围
发明名称
Quick grip chuck
摘要
申请公布号
US2476874(A)
申请公布日期
1949.07.19
申请号
US19450601821
申请日期
1945.06.27
申请人
JOHANNES JOHANSSON ERIK
发明人
JOHANSSON ERIK JOHANNES
分类号
B23B31/20
主分类号
B23B31/20
代理机构
代理人
主权项
地址
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