VARIFOCAL LENS ASSEMBLY,申请号CAD614848-传众专利搜索

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发明名称	VARIFOCAL LENS ASSEMBLY
摘要
申请公布号	CA614848(A)	申请公布日期	1961.02.21
申请号	CAD614848	申请日期
申请人	FRANK G. BACK	发明人	FRANK G. BACK
分类号		主分类号
代理机构		代理人
主权项
地址

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