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经营范围
发明名称
BEGRENZINGSKETEN.
摘要
申请公布号
NL7612132(A)
申请公布日期
1977.05.09
申请号
NL19760012132
申请日期
1976.11.02
申请人
NORTHERN TELECOM LIMITED TE MONTREAL, CANADA.
发明人
分类号
H04L25/52;H03K5/08
主分类号
H04L25/52
代理机构
代理人
主权项
地址
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