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发明名称
Accounting system
摘要
申请公布号
US2158872(A)
申请公布日期
1939.05.16
申请号
US19320643016
申请日期
1932.11.17
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
JOHNSTONE HAROLD G.;GRATES JOHN C.
分类号
主分类号
代理机构
代理人
主权项
地址
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