润滑剂极压性能测定法（四球法）
Standard test method for measurement of extreme-pressure properties of lubricating fluids(four-ball method)
1998-12-08
SH/T 0784-2006
润滑脂极压性能测定法(高频线性振动试验机法)
Standard test method for determining extreme pressure properties of lubricating grease using a high-frequency, linear-oscillation (SRV) test machine