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发明名称
Data communication
摘要
申请公布号
GB9424932(D0)
申请公布日期
1995.02.08
申请号
GB19940024932
申请日期
1994.12.09
申请人
RICHARDS, CHARLES
发明人
分类号
G07F7/02;G07F7/10;G07F7/12;H04M11/06
主分类号
G07F7/02
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