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经营范围
发明名称
APPARECCHIO DI INTERCOMUNICAZIONE AD ONDE CONVOGLIATE
摘要
申请公布号
IT7869915(D0)
申请公布日期
1978.12.21
申请号
IT19780069915
申请日期
1978.12.21
申请人
INTELSY INTERPHONIC ELECTRONIC SISTEMS S.R.L.
发明人
分类号
H04B;(IPC1-7):H04B/
主分类号
H04B
代理机构
代理人
主权项
地址
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