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发明名称
摘要
申请公布号
JPS555759(B2)
申请公布日期
1980.02.08
申请号
JP19730084740
申请日期
1973.07.27
申请人
发明人
分类号
H04L5/22;G08C15/12;H04Q9/00
主分类号
H04L5/22
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代理人
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地址
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