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Document Designation and Title Year Select Item(s) D4780 Standard Test Method for Determination of Low Surface Area of Catalysts by Multipoint Krypton Adsorption 95(2007) D4780 Standard Test Method for Determination of Low Surface Area of Catalysts by Multipoint Krypton Adsorption 95(2001) D4780 Standard Test Method for Determination of Low Surface Area of Catalysts by Multipoint Krypton Adsorption 95