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经营范围
发明名称
ELECTRONIC ALARM SOUNDER
摘要
申请公布号
GB8423363(D0)
申请公布日期
1984.10.17
申请号
GB19840023363
申请日期
1984.09.15
申请人
CRYSTALATE ELECTRONICS LTD
发明人
分类号
G08B3/10
主分类号
G08B3/10
代理机构
代理人
主权项
地址
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