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发明名称
Improvements in or relating to street box apparatus for fire-alarm systems
摘要
申请公布号
GB410433(A)
申请公布日期
1934.05.17
申请号
GB19330034964
申请日期
1933.12.12
申请人
HEINRICH BOEHN
发明人
分类号
G08B25/12
主分类号
G08B25/12
代理机构
代理人
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