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发明名称
Telephone switching systems
摘要
申请公布号
GB1030247(A)
申请公布日期
1966.05.18
申请号
GB19630008012
申请日期
1963.02.28
申请人
WESTERN ELECTRIC COMPANY INCORPORATED
发明人
分类号
H04M3/36;H04M15/00
主分类号
H04M3/36
代理机构
代理人
主权项
地址
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