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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

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