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发明名称
EINRICHTUNG ZUR ERMITTLUNG DES MITTLEREN SPRACHPEGELS IN FERNSPRECHKANAELEN
摘要
申请公布号
DD155227(A1)
申请公布日期
1982.05.19
申请号
DD19800225866
申请日期
1980.12.09
申请人
ZIMMERER,KURT,DD;ROELLER,FRANZ,DD;KIONKA,HELMAR,DD;RIEDEL,HARALD,DD
发明人
ZIMMERER,KURT,DD;ROELLER,FRANZ,DD;KIONKA,HELMAR,DD;RIEDEL,HARALD,DD
分类号
H04M3/22;(IPC1-7):H04M3/22
主分类号
H04M3/22
代理机构
代理人
主权项
地址
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