Time exposure indicator for sun lamps,申请号US19480050425-传众专利搜索

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发明名称	Time exposure indicator for sun lamps
摘要
申请公布号	US2525464(A)	申请公布日期	1950.10.10
申请号	US19480050425	申请日期	1948.09.21
申请人	GENERAL ELECTRIC COMPANY	发明人	SPRINGER ELMER E.
分类号	A61N5/06	主分类号	A61N5/06
代理机构		代理人
主权项
地址

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