Color fading cabinet and filter,申请号US19240722872-传众专利搜索

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发明名称	Color fading cabinet and filter
摘要
申请公布号	US1818687(A)	申请公布日期	1931.08.11
申请号	US19240722872	申请日期	1924.06.27
申请人	GENERAL ELECTRIC VAPOR LAMP COMPANY	发明人	BUTTOLPH LEROY J.
分类号	G03C7/06	主分类号	G03C7/06
代理机构		代理人
主权项
地址

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