Taiwan Provincial Standard of the People's Republic of China
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CNS 12214-1988
Scope
This standard specifies the test method for the scratch resistance of gear oils (mainly automotive multi-effect gear oils) under high speed and sudden shock loads.
CNS 12214-1988 history
1988CNS 12214-1988 Method of Test for Performance of Gear Lubricants in Axles Under High Speed and Shock Loading