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发明名称
Electronic siren
摘要
申请公布号
US2576585(A)
申请公布日期
1951.11.27
申请号
US19480021779
申请日期
1948.04.19
申请人
SELECTRONIES, INC.
发明人
FLEMING WILLIAM
分类号
G10H5/10
主分类号
G10H5/10
代理机构
代理人
主权项
地址
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