China Projection in indoor GB Standards Search Result |
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GB/T 21111-2007 Projection in indoor rooms - Classification of transmitting projection screens and measurement of their transmitted luminance levels 室内放映 透射放映银幕的分类和亮度测定 - 中英文版 |
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GB/T 4645-2006 Cinematography - screen luminance for the projection of motion-picture prints in indoor theatres and review rooms 室内影院和鉴定放映室的银幕亮度 - 中英文版 |
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GB/T 19895.1-2005 Projection in indoor rooms-Screen illumination test for still projectors 室内放映 幻灯、投影放映设备 银幕照度的测定方法 - 中英文版 |
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