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发明名称
Improvements in or relating to automatic telephone systems
摘要
申请公布号
GB971602(A)
申请公布日期
1964.09.30
申请号
GB19620019174
申请日期
1962.05.18
申请人
AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED
发明人
BROWELL LESLIE JAMES;FLETCHER HENRY ANTHONY
分类号
H04Q3/42
主分类号
H04Q3/42
代理机构
代理人
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