Perfectionnements aux commutateurs à vide,申请号FR19610883437-传众专利搜索

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发明名称	Perfectionnements aux commutateurs à vide
摘要
申请公布号	FR1309006(A)	申请公布日期	1962.11.09
申请号	FR19610883437	申请日期	1961.12.29
申请人	COMPAGNIE FRANCAISE THOMSON-HOUSTON	发明人
分类号	H01H1/00;H01H33/662	主分类号	H01H1/00
代理机构		代理人
主权项
地址

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NOVEL BISHETEROCYCLIC DERIVATIVE OR SALT THEREOF