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JJF 1147-2006

Chinese Standard: 'JJF 1147-2006'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
JJF 1147-2006English579 Add to Cart Days<=4 Calibration specfication for acoustic performance of anechoic rooms and hemi-anechoic rooms JJF 1147-2006 Valid JJF 1147-2006

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