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发明名称
CIRCUIT DE LIGNE D'ABONNE AU TELEPHONE
摘要
申请公布号
BE883193(A1)
申请公布日期
1980.11.10
申请号
BE19800200534
申请日期
1980.05.08
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H04M19/00;H04M19/02;(IPC1-7):H04M/
主分类号
H04M19/00
代理机构
代理人
主权项
地址
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