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经营范围
发明名称
Circuit électrique comportant au moins un dispositif dont la tension de sortie parcourt au moins deux fois un certain domaine d'amplitudes.
摘要
申请公布号
CH306801(A)
申请公布日期
1955.04.30
申请号
CHD306801
申请日期
1949.06.13
申请人
STAATSBEDRIJF DER POSTERIJEN, TELEGRAFIE EN TELEFONIE (ADMINISTRATION DES POSTES, TELEGRAPHES ET TELEPHONES DES PAYS-BAS)
发明人
ING. OBERMAN,ROELOF MAARTEN MARIE,PROF. DR;SNIJDERS,ANTONIE
分类号
H03M1/00
主分类号
H03M1/00
代理机构
代理人
主权项
地址
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