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| GB/T 20968-2007 Non-destructive testing—Aids to visual inspection—Selection of low-power magnifiers (English Version) |
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Detail of GB/T 20968-2007
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Introduction of GB/T 20968-2007
本标准规定了单片镜放大镜、多片镜放大镜、双系统件放大镜等类型低倍放大镜的特性，并推荐选择用于表面检测。
Contents of GB/T 20968-2007