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GB/T 1859.4-2025

Chinese Standard: 'GB/T 1859.4-2025'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
GB/T 1859.4-2025English444 Add to Cart Days<=4 Reciprocating internal combustion engines - Measurement of sound power level using sound pressure - Part 4: Survey method for use in situ GB/T 1859.4-2025 Valid GB/T 1859.4-2025

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