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发明名称
DATA TRANSMISSION SYSTEM
摘要
申请公布号
JPS52141505(A)
申请公布日期
1977.11.25
申请号
JP19770026914
申请日期
1977.03.11
申请人
POST OFFICE
发明人
DEBITSUDO JIYON GURANDOSUTOON;PIITAA ANDORIYUU MORUDORAMU
分类号
H04M11/06;G06F3/023;G06F3/048;H04L29/00;H04M11/00;H04M15/04
主分类号
H04M11/06
代理机构
代理人
主权项
地址
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