GB/T 15786-1995 Small gasoline engines for forestry—General technical requirements

GB 1105.1 GB 6929 ZB J90 003 ZB J91 012 GB/T 725-1991 Internal combustion engines—Nomenclature and code of designations GB/T 725-2008 Internal combustion engines—Nomenclature and code of designations GB/T 1859-2000 Reciprocating internal combustion engines—Measurement of emitted airborne noise—Engineering method and survey method GB/T 1859.1-2015 Reciprocating internal combustion engines—Measurement of sound power level using sound pressure—Part 1:Engineering method GB/T 1859.2-2015 Reciprocating internal combustion engines—Measurement of sound power level using sound pressure—Part 2:Survey method GB/T 1859.3-2015 Reciprocating internal combustion engines—Measurement of sound power level using sound pressure—Part 3:Precision methods for hemi-anechoic rooms GB/T 1859.4-2017 Reciprocating internal combustion engines—Measurement of sound power level using sound pressure—Part 4:Survey method using a reference sound source GB/T 10398-2008 Small gasoline engines—Evaluation and measurement of vibration GB/T 13393-1992 Guide for sampling inspection GB/T 13393-2008 Guide to acceptance sampling inspection 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 GB/T 1859.1-2026 Reciprocating internal combustion engines—Measurement of sound power level using sound pressure—Part 1:Engineering method GB/T 1859.2-2026 Reciprocating internal combustion engines—Measurement of sound power level using sound pressure—Part 2:Survey method