Perfectionnements aux éléments de chauffage électrique,申请号FRD740903-传众专利搜索

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发明名称	Perfectionnements aux éléments de chauffage électrique
摘要
申请公布号	FR740903(A)	申请公布日期	1933.02.03
申请号	FRD740903	申请日期	1932.08.05
申请人		发明人	BRAY GEORGE
分类号	H05B3/30	主分类号	H05B3/30
代理机构		代理人
主权项
地址

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