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Document Designation and Title Year Select Item(s) D2134 Standard Test Method for Determining the Hardness of Organic Coatings with a Sward-Type Hardness Rocker 93(2007) D2134 Test Method for Determining the Hardness of Organic Coatings with a Sward-Type Hardness Rocker 93(2001) D2134 Test Method for Determining the Hardness of Organic Coatings with a Sward-Type Hardness Rocker 93