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发明名称
Translator for a telephone system
摘要
申请公布号
GB876983(A)
申请公布日期
1961.09.06
申请号
GB19570021927
申请日期
1957.07.10
申请人
GENERAL TELEPHONE LABORATORIES, INCORPORATED
发明人
分类号
H04Q3/42
主分类号
H04Q3/42
代理机构
代理人
主权项
地址
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