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经营范围
发明名称
Improvements in chucks
摘要
申请公布号
GB665060(A)
申请公布日期
1952.01.16
申请号
GB19490026580
申请日期
1949.10.17
申请人
GISHOLT MACHINE COMPANY
发明人
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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