Camera flash bulb shield and light control unit,申请号US19550536522-传众专利搜索

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发明名称	Camera flash bulb shield and light control unit
摘要
申请公布号	US2879377(A)	申请公布日期	1959.03.24
申请号	US19550536522	申请日期	1955.09.26
申请人	LAYNG ORAL W	发明人	LAYNG ORAL W.
分类号	G03B15/04	主分类号	G03B15/04
代理机构		代理人
主权项
地址

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