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经营范围
发明名称
Fire alarm apparatus
摘要
申请公布号
US2317024(A)
申请公布日期
1943.04.20
申请号
US19400330972
申请日期
1940.04.22
申请人
RAY-O-MATIC FIRE GUARD COMPANY
发明人
BLISS JEROME J.
分类号
G08B17/103
主分类号
G08B17/103
代理机构
代理人
主权项
地址
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