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经营范围
发明名称
Improvements in electric burglar alarms
摘要
申请公布号
GB348571(A)
申请公布日期
1931.05.11
申请号
GB19300004584
申请日期
1930.02.11
申请人
HENRY JOHN TIBBLES;THE RELY-A-BELL BURGLAR AND FIRE ALARM COMPANY LIMITED
发明人
分类号
G08B13/22
主分类号
G08B13/22
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代理人
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