国家标准_第415页 - 在线标准查询

GB/T 12938-1991 已加工的摄影材料中硫代硫酸盐及其他相关化学残留物的测定方法碘-直链淀粉法、亚甲蓝法和硫化银密度法

GB/T 12938-1991.Determination of thiosulphate and other related residual chemica...

GB/T 13919-1992.35 mm cinematography-Magnetic sound test film- Technical specifi...

GB/T 13920-1992.35 mm cinematography- Subjective test film(colour chart).1主题内容与适...

GB/T 13982-2005.The reflective and transmitting projection screens.5.13伸缩银幕安装后不应...

GB/T 13999-1992.Two-track photographic sound records on 35 mm motiqn-picture pri...

GB/T 14001-1992.Time and control code for video recording.应当注意,在每个码字内,当27号和43号比特...

GB/T 14086-1993.Pre recorded optical reflective videodisk system"Laser vision"50...

GB/T 14109-1993.Measurement method of TV、FM broadcasting field strength.8.1极化除特殊...

GB/T 14220-1993.Audio -visual , video and television equipment and systems Audio...

GB/T 14221-1993.Technical requirements for listening rooms in broadcasting pr og...

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