Varifocal objectives with optical image shift compensation,申请号US19540443764-传众专利搜索

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发明名称	Varifocal objectives with optical image shift compensation
摘要
申请公布号	US2741947(A)	申请公布日期	1956.04.17
申请号	US19540443764	申请日期	1954.07.16
申请人	BACK FRANK G	发明人	BACK FRANK G.
分类号	G02B15/14	主分类号	G02B15/14
代理机构		代理人
主权项
地址

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