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发明名称
DEVICE FOR GRAPHIC COMMUNICATION
摘要
申请公布号
GB1507246(A)
申请公布日期
1978.04.12
申请号
GB19760044356
申请日期
1976.10.26
申请人
JOANNOU C
发明人
分类号
G06K11/00;G08C21/00;(IPC1-7):G08C21/00
主分类号
G06K11/00
代理机构
代理人
主权项
地址
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