VARIABLE DENSITY LIGHT FILTERING SYSTEM,申请号IL19700034535-传众专利搜索

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发明名称	VARIABLE DENSITY LIGHT FILTERING SYSTEM
摘要
申请公布号	IL34535(D0)	申请公布日期	1970.07.19
申请号	IL19700034535	申请日期	1970.05.15
申请人	AMERICAN OPTICAL CORP	发明人
分类号	C09K9/00;A61F9/02;G02B5/23;G03C1/73	主分类号	C09K9/00
代理机构		代理人
主权项
地址

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