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经营范围
发明名称
ANNUNCIATOR
摘要
This invention relates to an annunciator and, more particularly, to apparatus for indicating the condition of remote stations, the apparatus consisting of a face plate having a plurality of windows behind each of which is a lamp.
申请公布号
US3717117(A)
申请公布日期
1973.02.20
申请号
USD3717117
申请日期
1970.10.23
申请人
SIMPLEX TIME RECORDER CO,US
发明人
STANLEY L,US
分类号
G08B5/36;(IPC1-7):G08B5/00
主分类号
G08B5/36
代理机构
代理人
主权项
地址
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