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经营范围
发明名称
Electromechanical translator
摘要
申请公布号
US2668877(A)
申请公布日期
1954.02.09
申请号
US19470784024
申请日期
1947.11.04
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
GENT EDGAR W.;MYERS OSCAR
分类号
G06K21/04;H04Q1/34
主分类号
G06K21/04
代理机构
代理人
主权项
地址
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