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| GB/T 21112-2007 Projector slides—Dimensions (English Version) |
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Detail of GB/T 21112-2007
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Introduction of GB/T 21112-2007
本标准规定了国际优选规格3cm×3cm、5cm×5cm和7cm×7cm幻灯片及标题带的基本尺寸。
本标准不适用于特殊用途(如电视)用的幻灯片。
本标准目的在于促进幻灯片的制造、使用的国际互换性。本标准不适用于比3cm×3cm规格更小的幻灯片。
Contents of GB/T 21112-2007