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经营范围
发明名称
Collet chuck
摘要
申请公布号
US2370729(A)
申请公布日期
1945.03.06
申请号
US19430502429
申请日期
1943.09.15
申请人
HOPPE CHARLES W
发明人
HOPPE CHARLES W.
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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