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经营范围
发明名称
COMBINED FIRE ALARM,BURGLAR ALARM,AND INTERCOMMUNICATION SYSTEM
摘要
申请公布号
US3487404(A)
申请公布日期
1969.12.30
申请号
USD3487404
申请日期
1967.03.23
申请人
AVCO CORP.
发明人
JAMES C. MIDKIFF
分类号
G08B19/00;(IPC1-7):G08B1/08;G08B3/00
主分类号
G08B19/00
代理机构
代理人
主权项
地址
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