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透射式投影器 可靠性要求及试验方法
Reliability requirements and test methods of overhead projectors
参考页数：12P.;A4
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250mm×250mm透射式投影画面检验版
250 mm×250 mm test target for overhead projector
参考页数：8P.;A4
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36mm×24mm幻灯放映画面检验版
36 mm×24 mm test target for slide projector
参考页数：8P.;A4
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透射式投影器 画面畸变测试版技术条件
Technical specifications of screen distortion test target for overhead projectors
参考页数：8P.;A4
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成色剂光吸收的测定
Determination of light absorption for couplers
参考页数：7P.;A4
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片基表面电阻的测定
Determination of the surface resistance of film base
参考页数：6P.;A4
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投影幻灯片尺寸
Photography.projector slides.dimentions
参考页数：5P.;A4
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胶片、片基防粘连特性的测定
Method for ditermination of the antiadhesion property of photographic film and film base
参考页数：8P.;A4
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照相排版用卷筒相纸尺寸
Photography-Paper dimensions-Rolls for photocomposition
参考页数：13P.;A4
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照相排版用卷筒胶片尺寸
Photography-Film dimensions-Rolls for photocomposition
参考页数：13P.;A4
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