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发明名称
Schaltungsanordnung zur Zaehlung in Fernsprechanlagen mit Waehlerbetrieb
摘要
申请公布号
DE841470(C)
申请公布日期
1952.06.16
申请号
DE1949T000127
申请日期
1949.11.01
申请人
TELEFONBAU;NORMALZEIT G.M.B.H.
发明人
HEBEL MARTIN DR.-ING.
分类号
H04M3/12;H04M15/10
主分类号
H04M3/12
代理机构
代理人
主权项
地址
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