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发明名称
Child/article monitoring system
摘要
申请公布号
GB2248330(A)
申请公布日期
1992.04.01
申请号
GB19900020225
申请日期
1990.09.14
申请人
DAVID WILLIAM * SEEMAN
发明人
DAVID WILLIAM * SEEMAN
分类号
G08B21/02
主分类号
G08B21/02
代理机构
代理人
主权项
地址
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