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Document Designation and Title Year Select Item(s) D256 Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics 06ae1 D256 Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics 06a D256 Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics 06 D256 Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics 05a D256 Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics 05 D256 Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics 04 D256 Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics 03 D256 Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics 02e1 D256 Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics 02 D256 Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics 00e1