Improvements in and relating to electric switches for sparklessly interrupting alternating current circuits,申请号GB19290038947-传众专利搜索

发明名称	Improvements in and relating to electric switches for sparklessly interrupting alternating current circuits
摘要
申请公布号	GB339133(A)	申请公布日期	1930.12.04
申请号	GB19290038947	申请日期	1929.12.19
申请人	THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED	发明人
分类号	H01H33/18;H01H33/59	主分类号	H01H33/18
代理机构		代理人
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