Bifocal lenses with peripheral higher negative power,申请号GB19990020882-传众专利搜索

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发明名称	Bifocal lenses with peripheral higher negative power
摘要
申请公布号	GB9920882(D0)	申请公布日期	1999.11.10
申请号	GB19990020882	申请日期	1999.09.03
申请人	N G TRUSTEES AND NOMINEES LIMITED	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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