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发明名称
Improvements in or relating to telephone receivers
摘要
申请公布号
GB925454(A)
申请公布日期
1963.05.08
申请号
GB19600030955
申请日期
1960.09.08
申请人
AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED
发明人
ENESCOTT JOHN
分类号
H04R13/02
主分类号
H04R13/02
代理机构
代理人
主权项
地址
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