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发明名称
Limited capacity telephone system
摘要
申请公布号
GB1079515(A)
申请公布日期
1967.08.16
申请号
GB19650020425
申请日期
1965.05.14
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
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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