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经营范围
发明名称
Filing appliance
摘要
申请公布号
US1787237(A)
申请公布日期
1930.12.30
申请号
US19280256563
申请日期
1928.02.24
申请人
THE MCCASKEY REGISTER COMPANY
发明人
DUNNING WILLIAM E.
分类号
B42F17/28
主分类号
B42F17/28
代理机构
代理人
主权项
地址
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