lotus999 发表于 2015-1-12 16:04:24

IEC 60107-2-1997

IEC 60107-2-1997 Methods of measurement on receivers for television broadcast transmission. Part 2 : AUDIO CHANNELS--GENERAL METHODS AND METHODS FOR MONOPHONIC CHANNELS

admin 发表于 2015-1-12 18:03:37

谢谢您的分享，金币已奖励

cjxqzl 发表于 2017-6-27 09:33:54

感谢分享！正好需要，谢谢你的资源

dongshome 发表于 2017-11-8 10:00:35

谢谢楼主！！！找了好久
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