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发明名称
Wechselsprechanlage mit wahlweiser Anschaltung von gleichberechtigten Hauptsprechstellen und Nebensprechstellen
摘要
申请公布号
DE1240944(B)
申请公布日期
1967.05.24
申请号
DE196100ST564
申请日期
1961.03.11
申请人
STANDARD ELEKTRIK LORENZ AKTIENGESELLSCHAFT
发明人
KNAUER HANS-ULRICH
分类号
H04M9/00
主分类号
H04M9/00
代理机构
代理人
主权项
地址
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