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发明名称
Fire alarm devices
摘要
申请公布号
GB430478(A)
申请公布日期
1935.06.19
申请号
GB19350000469
申请日期
1935.01.07
申请人
JOSEPH GRISON
发明人
分类号
G08B17/06
主分类号
G08B17/06
代理机构
代理人
主权项
地址
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