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发明名称
Fire alarm system
摘要
申请公布号
US1850177(A)
申请公布日期
1932.03.22
申请号
US19290339032
申请日期
1929.02.11
申请人
ASSOCIATED ELECTRIC LABORATORIES, INC.
发明人
LEVY OSCAR C.
分类号
G08B26/00
主分类号
G08B26/00
代理机构
代理人
主权项
地址
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