TWO GROUP ZOOM LENS SYSTEM HAVING A STOP DIAPHRAGM AT ITS REAR,申请号GB19810038148-传众专利搜索

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发明名称	TWO GROUP ZOOM LENS SYSTEM HAVING A STOP DIAPHRAGM AT ITS REAR
摘要
申请公布号	GB2090998(B)	申请公布日期	1984.07.18
申请号	GB19810038148	申请日期	1981.12.17
申请人	ASAHI KOGAKU KOGYO KK	发明人
分类号	G02B13/04;G02B15/14;G02B15/16;(IPC1-7):G02B15/14	主分类号	G02B13/04
代理机构		代理人
主权项
地址

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