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经营范围
发明名称
Improvements in and relating to telegraph systems
摘要
申请公布号
GB983613(A)
申请公布日期
1965.02.17
申请号
GB19630001160
申请日期
1963.01.10
申请人
DE STAAT DER NEDERLANDEN, TEN DEZE VERTEGENWOORDIGD DOOR DE DIRECTEUR-GENERAAL DER POSTERIJEN, TELEGRAFIE EN TELEFONIE
发明人
SILVA HERMAN DA
分类号
H04L1/16;H04L1/18
主分类号
H04L1/16
代理机构
代理人
主权项
地址
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