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经营范围
发明名称
CALCULATING MACHINE
摘要
申请公布号
CA374394(A)
申请公布日期
1938.06.14
申请号
CAD374394
申请日期
申请人
FELT AND TARRANT MFG. CO.
发明人
JOSEPH A. V. TURCK;FREDERICK A. NIEMANN
分类号
主分类号
代理机构
代理人
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