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发明名称
Improvements in or relating to automatic telephone selectors
摘要
申请公布号
GB508985(A)
申请公布日期
1939.07.10
申请号
GB19380013301
申请日期
1938.05.04
申请人
TELEFONAKTIEBOLAGET L.M. ERICSSON
发明人
分类号
H01H67/12
主分类号
H01H67/12
代理机构
代理人
主权项
地址
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