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发明名称
APERFEICOAMENTOS INTRODUZIDOS EM DISPOSITIVO DISTRIBUIDOR PARALELO DE CHAMADAS TELEFONICAS
摘要
申请公布号
BR8605046(A)
申请公布日期
1988.05.31
申请号
BR1986PI05046
申请日期
1986.10.15
申请人
KIYOSHI HASEGAWA
发明人
KIYOSHI HASEGAWA
分类号
H04Q1/20;(IPC1-7):H04Q1/20
主分类号
H04Q1/20
代理机构
代理人
主权项
地址
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