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发明名称
Universal security-keypad
摘要
申请公布号
GB9420882(D0)
申请公布日期
1994.11.30
申请号
GB19940020882
申请日期
1994.10.17
申请人
CHEVALIER, JOHN-PHILLIP
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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