lotus999 发表于 2014-12-3 09:35:27

JIS A 1418-1:2000

JIS A 1418-1:2000 Acoustics-Measurement of floor impact sound insulation of buildings-Part 1:Method using standard light impact source

admin 发表于 2014-12-3 09:48:34

谢谢您的分享,金币已奖励
页: [1]
查看完整版本: JIS A 1418-1:2000