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经营范围
发明名称
ACCESS CONTROL
摘要
申请公布号
GB9311521(D0)
申请公布日期
1993.07.21
申请号
GB19930011521
申请日期
1993.06.04
申请人
RACAL-DATACOM LIMITED
发明人
分类号
G07F7/10
主分类号
G07F7/10
代理机构
代理人
主权项
地址
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