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发明名称
ELECTRICAL TRANSLATING DEVICE
摘要
申请公布号
CA463927(A)
申请公布日期
1950.03.21
申请号
CAD463927
申请日期
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED;BELL TELEPHONE LABORATORIES
发明人
GEORGE C. SOUTHWORTH
分类号
主分类号
代理机构
代理人
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