GB/T 265-1988#Petroleum products - Determination of kinematic viscosity and calculation of dynamic viscosity - General vehicle gear oil - Change rate of kinematic viscosity at 100 ℃
GB/T 4945-2002#Petroleum products and lubricants - Determination of acid and base values (color indicator method) - Diesel engine oil - Rate of change in kinematic viscosity at 100 ℃
SH/T 0475-1992#Ordinary vehicle gear oil change index # Gear oil # 100 ℃ kinematic viscosity change rate
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