
Reciprocating internal combustion engines—Measurement of sound power level using sound pressure—Part 1: Engineering method
NORMA vydaná dňa 28.1.2026
Designation standards: GB/T 1859.1-2026
Note: K dispozici od: srpen 2026
Publication date standards: 28.1.2026
Country: Chinese technical standard
Kategória: Technické normy GB