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发明名称
Improvements in or relating to automatic telephone systems
摘要
申请公布号
GB945454(A)
申请公布日期
1964.01.02
申请号
GB19620031137
申请日期
1962.08.14
申请人
AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED
发明人
BROWELL LESLIE JAMES;DENBY JAMES FREDERICK
分类号
H04M3/54
主分类号
H04M3/54
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