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SJ 1129-1977

Chinese Standard: 'SJ 1129-1977'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
SJ 1129-1977English559 Add to Cart Days<=4 Method of measurement of acoustic parameters for loudspeaker system (provisional) SJ 1129-1977 Obsolete SJ 1129-1977

  Google-Books (Full-PDF, without digital protection, will be auto-delivered in 0~10 mins):   GB/T 34579-2017  SJ/T 11363-2006  SJ/T 11141-2017