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经营范围
发明名称
An improved alarm system, more especially a burglar alarm system
摘要
申请公布号
GB678529(A)
申请公布日期
1952.09.03
申请号
GB19500002653
申请日期
1950.02.01
申请人
THE RELY-A-BELL BURGLAR AND FIRE ALARM COMPANY LIMITED
发明人
HOGBIN ARCHIBALD
分类号
G08B13/22
主分类号
G08B13/22
代理机构
代理人
主权项
地址
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