ZONE FOCUSING OPTICAL SYSTEM,申请号GB19800031608-传众专利搜索

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发明名称	ZONE FOCUSING OPTICAL SYSTEM
摘要
申请公布号	GB2060195(B)	申请公布日期	1983.09.21
申请号	GB19800031608	申请日期	1980.10.01
申请人	POLAROID CORP	发明人
分类号	G03B13/36;G02B7/09;G02B7/28;G03B3/00;(IPC1-7):G02B15/08;G02B7/11	主分类号	G03B13/36
代理机构		代理人
主权项
地址

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