Procédé pour la production de filaments de lampes électriques.,申请号CHD147942-传众专利搜索

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发明名称	Procédé pour la production de filaments de lampes électriques.
摘要
申请公布号	CH147942(A)	申请公布日期	1931.06.30
申请号	CHD147942	申请日期	1929.12.27
申请人	WESTINGHOUSE LAMP COMPANY	发明人	COMPANY WESTINGHOUSE LAMP
分类号		主分类号
代理机构		代理人
主权项
地址

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