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GB/T 3175. 3一1987 透射式彩条测试图

GB/T 3175. 3一1987.Transparency colour bar test card.GB/T 3175. 3适用于校正彩色电视摄像机各信道的...

GB/T 3175. 4一1987.Transparency flesh tone test card.GB/T 3175. 4适用于校正彩色电视摄像机各信道的...

GB 3174-1995.Characteristics of PAL-D television br oadcasting system.1主题内容与适用范围...

GB 3176一1982.The recording and exchange of television programmes on 25. 4 mm vid...

GB 936-1989.Colour TV receiver - Colour temperature of white point-- Reference w...

GB 2846-1988.Methods of measurement on radio receivers for AM broadcast transmis...

GB 5874-1986.Image produced by camera aperture type won 16mm motion-picture film...

GB/T 7428-1994.Head gaps for two sound records on 16 mm magnetic film- Positions...

GB/T 2927-1994.Optical printing ratios for enlargement and reduction of motion-p...

GB/T 3660-1983.Unified weighting network for measuring video continuous random n...

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