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发明名称
AUTOMATIC TELEPHONE EXCHANGE SYSTEMS
摘要
申请公布号
CA714146(A)
申请公布日期
1965.07.20
申请号
CAD714146
申请日期
申请人
ASSOCIATED ELECTRICAL INDUSTRIES LIMITED
发明人
BLOOMFIELD J. WARMAN
分类号
主分类号
代理机构
代理人
主权项
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