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发明名称
Fire alarm signal station
摘要
申请公布号
US2702330(A)
申请公布日期
1955.02.15
申请号
US19530356948
申请日期
1953.05.25
申请人
MORRIS LEVY
发明人
LEVY MORRIS
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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