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发明名称
Two-way telegraph system
摘要
申请公布号
GB1088726(A)
申请公布日期
1967.10.25
申请号
GB19640041725
申请日期
1964.10.13
申请人
DE STAAT DER NEDERLANDEN;TEN DEZE VERTEGENWOORDIGD DOOR DE DIRECTEUR-GENERAAL DER POSTERIJEN;TELEGRAFIE EN TELEFONIE
发明人
分类号
H04L1/18
主分类号
H04L1/18
代理机构
代理人
主权项
地址
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