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发明名称
GRUPPO ELETTRONICO DI FATTURAZIONE DI COMUNICAZIONI PARTICOLARMENTE PER CENTRALINI TELEFONICI DI ALBERGHI
摘要
申请公布号
IT1039706(B)
申请公布日期
1979.12.10
申请号
IT19750025121
申请日期
1975.07.04
申请人
WESTERN ELECTRIC CO INC
发明人
分类号
H04M15/04;H04M15/34;H04Q3/58;(IPC1-7):H04M/
主分类号
H04M15/04
代理机构
代理人
主权项
地址
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