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经营范围
发明名称
Improvements in and relating to a telecommunication circuit comprising relays or relay selectors
摘要
申请公布号
GB904270(A)
申请公布日期
1962.08.29
申请号
GB19580036202
申请日期
1958.11.11
申请人
INDUSTRISELSKABET KRISTIAN KIRKS TELEFONFABRIKER A/S
发明人
分类号
H01H1/40;H04Q1/16
主分类号
H01H1/40
代理机构
代理人
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