Lentille à puissance progressivement variable,申请号FR19660088262-传众专利搜索

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发明名称	Lentille à puissance progressivement variable
摘要
申请公布号	FR1513435(A)	申请公布日期	1968.02.16
申请号	FR19660088262	申请日期	1966.12.21
申请人		发明人	DUDRAGNE RAYMOND ANDRE
分类号	G02B3/00;G02C7/02	主分类号	G02B3/00
代理机构		代理人
主权项
地址

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