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发明名称
Installation de télécommunication.
摘要
申请公布号
CH293577(A)
申请公布日期
1953.09.30
申请号
CHD293577
申请日期
1949.10.26
申请人
STAATSBEDRIJF DER POSTERIJEN, TELEGRAFIE EN TELEFONIE (ADMINISTRATION DES POSTES, TELEGRAPHES ET TELEPHONES DES PAYS-BAS)
发明人
MARIE OBERMANN,ROELOF MAARTEN;SNIJEDERS,ANTONIE
分类号
C08G8/00;H04M1/23;H04M1/515;H04Q1/38
主分类号
C08G8/00
代理机构
代理人
主权项
地址
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