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发明名称
DISPOSITIF POUR L'EMISSION D'IMPULSIONS DE COURANT UTILISABLE DANS LES INSTALLATIONS DE TELEPHONE ET DE TELESCRIPTEUR
摘要
申请公布号
BE788023(A1)
申请公布日期
1972.12.18
申请号
BE19720788023
申请日期
1972.08.25
申请人
TELEMASTER GMBH
发明人
A. SCHAUMANN;W. WEBER
分类号
G06F3/023;H04L13/16;H04M1/272;H04M1/274;(IPC1-7):H04M/
主分类号
G06F3/023
代理机构
代理人
主权项
地址
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