|Description:||Internal Combustion Engines - Measurement of Sound.|
|Official Title:||Reciprocating Internal Combustion Engines - Measurement of Sound Power Level Using Sound Pressure. Part 4: Survey Method Using a Reference Sound Source.|
|Date of Issue:||2017-05-12|
|Number of Pages:||30|
|Vehicle Types:||Agricultural Tractor, Bus, Car, Component, Heavy Truck, Light Truck, Motorcycle|
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