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经营范围
发明名称
Improved means for detecting, indicating or signalling conditions prevailing in an electric circuit
摘要
申请公布号
GB551544(A)
申请公布日期
1943.02.26
申请号
GB19420000306
申请日期
1942.01.08
申请人
LONDEX LIMITED;WESTGARTH STANHOPE FORSTER BROWN;WALTER STERN
发明人
分类号
G08B5/22
主分类号
G08B5/22
代理机构
代理人
主权项
地址
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