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经营范围
发明名称
Improvements in or relating to alarm apparatus
摘要
申请公布号
GB772252(A)
申请公布日期
1957.04.10
申请号
GB19540003425
申请日期
1954.02.05
申请人
ERIC FAIRBURN GOLDEN
发明人
分类号
G04B23/10;G04C21/24
主分类号
G04B23/10
代理机构
代理人
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地址
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