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发明名称
Home emergency alarm
摘要
申请公布号
US2799853(A)
申请公布日期
1957.07.16
申请号
US19530397444
申请日期
1953.12.10
申请人
COLWELL ROBERT C;RAESE RICHARD A
发明人
COLWELL ROBERT C.;RAESE RICHARD A.
分类号
G08B27/00;H02J13/00
主分类号
G08B27/00
代理机构
代理人
主权项
地址
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