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发明名称
SYSTEME DE TRANSMISSION DE MESSAGES A UN POSTE TELEPHONIQUE PAR LA LIGNE D'ABONNE DANS UNE INSTALLATION TELEPHONIQUE
摘要
申请公布号
PT76054(A)
申请公布日期
1983.01.01
申请号
PT19820076054
申请日期
1982.12.30
申请人
LEONELLO SEGRE-AMAR
发明人
分类号
H04M11/00;H04M3/42;H04M3/487;H04M11/06;(IPC1-7):H04M/;H04B/
主分类号
H04M11/00
代理机构
代理人
主权项
地址
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