作废 JB/T 8248.5-1995
照相镜头焦距的测量方法 照相镜头焦距的测量方法
发布日期:1996-04-14
实施日期:1996-04-14
分类信息
标准简介
相似标准/计划/法规
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焦距照相镜头

最后更新时间 2025-08-29