Improvements in variable focus lenses,申请号GB19320017000-传众专利搜索

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发明名称	Improvements in variable focus lenses
摘要
申请公布号	GB398307(A)	申请公布日期	1933.09.14
申请号	GB19320017000	申请日期	1932.06.16
申请人	ARTHUR WARMISHAM;KAPELLA LIMITED	发明人
分类号	G02B15/04	主分类号	G02B15/04
代理机构		代理人
主权项
地址

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