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发明名称
WALLET PROXIMITY BLEEPER
摘要
申请公布号
GB8919855(D0)
申请公布日期
1989.10.18
申请号
GB19890019855
申请日期
1989.09.01
申请人
CONNOR, RONALD G;TWEDDELL, ALAN
发明人
分类号
G08B13/14
主分类号
G08B13/14
代理机构
代理人
主权项
地址
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