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发明名称
Luminous indicator for electrical apparatus
摘要
申请公布号
US1879098(A)
申请公布日期
1932.09.27
申请号
US19310515550
申请日期
1931.02.13
申请人
COFFEY IRVEN E
发明人
COFFEY IRVEN E.
分类号
G08B5/36
主分类号
G08B5/36
代理机构
代理人
主权项
地址
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