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经营范围
发明名称
TELEFONKONFERANSEAPPARAT.
摘要
申请公布号
NO780126(A)
申请公布日期
1978.07.17
申请号
NO19780000126
申请日期
1978.01.12
申请人
NORTHERN TELECOM LIMITED,
发明人
BOTROS, RADAMIS,;LAFRANCE, CONRAD DAMIEN,
分类号
H04M1/03;H04R1/00;H04R1/02;H04R27/00;(IPC1-7):H04R/
主分类号
H04M1/03
代理机构
代理人
主权项
地址
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