
Reciprocating internal combustion engines—Measurement of sound power levels using sound pressure—Part 4:Survey method using a reference sound source
NORM herausgegeben am 12.5.2017
Designation standards: GB/T 1859.4-2017
Note: UNGÜLTIG
Publication date standards: 12.5.2017
Country: Chinese technical standard
Kategorie: Technische Normen GB