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经营范围
发明名称
EXPANDING COLLET
摘要
申请公布号
US3514116(A)
申请公布日期
1970.05.26
申请号
USD3514116
申请日期
1968.01.19
申请人
DAVENPORT MACHINE TOOL CO. INC.
发明人
EARL W. BRINKMAN
分类号
B23B31/40;(IPC1-7):B23B31/14
主分类号
B23B31/40
代理机构
代理人
主权项
地址
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