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经营范围
发明名称
Fernmeldeanlage, insbesondere Fernsprechvermittlungsanlage, mit einer Schaltungsanordnung für den Empfang tonfrequenter Kode-Tastwahlsignale
摘要
申请公布号
CH437436(A)
申请公布日期
1967.06.15
申请号
CH19640006890
申请日期
1964.05.27
申请人
TELEFUNKEN PATENTVERWERTUNGSGESELLSCHAFT MBH
发明人
CZANSKY,WILHELM
分类号
H04Q1/453;(IPC1-7):H04Q5/12
主分类号
H04Q1/453
代理机构
代理人
主权项
地址
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