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发明名称
Power chucking device
摘要
申请公布号
US2249240(A)
申请公布日期
1941.07.15
申请号
US19400318184
申请日期
1940.02.09
申请人
THE R. K. LEBLOND MACHINE TOOL COMPANY
发明人
GROENE WILLIAM F.;MEYER WALTER R.
分类号
主分类号
代理机构
代理人
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