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经营范围
发明名称
TELEPHONE TRANSLATOR APPARATUS
摘要
申请公布号
CA904432(A)
申请公布日期
1972.07.04
申请号
CAD904432
申请日期
申请人
BELL CANADA
发明人
BERNARD R. MONTAGUE;DEREK LEYBURN;HENRY K. MATTILA
分类号
H04Q3/00;H04Q3/47;(IPC1-7):H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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