GB/T 1859.4-2025

Reciprocating internal combustion engines—Measurement of sound power level using sound pressure—Part 4: Survey method for use in situ

STANDARD published on 1.8.2025

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The information about the standard:

Designation standards: GB/T 1859.4-2025
Note: Execute Date: february 2026
Publication date standards: 1.8.2025
Country: Chinese technical standard
Category: Technical standards GB