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发明名称
Protective fire alarm
摘要
申请公布号
US2609786(A)
申请公布日期
1952.09.09
申请号
US19500169867
申请日期
1950.06.23
申请人
OLIVER TURNER NORBERT
发明人
TURNER NORBERT OLIVER
分类号
G08B17/02
主分类号
G08B17/02
代理机构
代理人
主权项
地址
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