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发明名称
Smoke detecting device
摘要
申请公布号
US2783390(A)
申请公布日期
1957.02.26
申请号
US19510221831
申请日期
1951.04.19
申请人
MENDENHALL JR ALFRED L
发明人
JR. ALFRED L. MENDENHALL,
分类号
G08B17/107
主分类号
G08B17/107
代理机构
代理人
主权项
地址
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