View Historical Standards for D4172:

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Document Designation and Title Year Select Item(s) D4172 Standard Test Method for Wear Preventive Characteristics of Lubricating Fluid (Four-Ball Method) 94(2004)e1 D4172 Standard Test Method for Wear Preventive Characteristics of Lubricating Fluid (Four-Ball Method) 94(2004) D4172 Standard Test Method for Wear Preventive Characteristics of Lubricating Fluid (Four-Ball Method) 94(1999)