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发明名称
DATA COMMUNICATION APPARATUS
摘要
申请公布号
GB8717180(D0)
申请公布日期
1987.08.26
申请号
GB19870017180
申请日期
1987.07.21
申请人
CANON KK
发明人
分类号
H04L12/18;H04N1/32
主分类号
H04L12/18
代理机构
代理人
主权项
地址
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