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经营范围
发明名称
Zusatzgeraet zum Fernsprech-Tischapparat
摘要
申请公布号
DE901900(C)
申请公布日期
1954.01.18
申请号
DE1952S027906
申请日期
1952.03.30
申请人
SUEDDEUTSCHE TELEFON-APPARATE-, KABEL- UND DRAHTWERKE A.G. TEKADE
发明人
GOTTLIEB MAX
分类号
H04M1/60;H04M1/62
主分类号
H04M1/60
代理机构
代理人
主权项
地址
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