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发明名称
Dispositif servant à identifier une tension
摘要
申请公布号
FR1270498(A)
申请公布日期
1961.08.25
申请号
FR19600841733
申请日期
1960.10.20
申请人
DE STAAT DER NEDERLANDEN, TEN DEZE VERTEGENWOORDIGD DOOR DE DIRECTEUR-GENERAAL DER POSTERIJEN, TELEGRAFIE EN TELEFONIE
发明人
CAMPENHOUT HENDRIK VAN
分类号
H04L27/233;H04Q1/44
主分类号
H04L27/233
代理机构
代理人
主权项
地址
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