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Document Designation and Title Year Select Item(s) D721 Standard Test Method for Oil Content of Petroleum Waxes 06 D721 Standard Test Method for Oil Content of Petroleum Waxes 05 D721 Standard Test Method for Oil Content of Petroleum Waxes 04 D721 Standard Test Method for Oil Content of Petroleum Waxes 02a D721 Standard Test Method for Oil Content of Petroleum Waxes 02 D721 Standard Test Method for Oil Content of Petroleum Waxes 97