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Document Designation and Title Year Select Item(s) B42 Standard Specification for Seamless Copper Pipe, Standard Sizes 02e1 B42 Standard Specification for Seamless Copper Pipe, Standard Sizes 02 B42 Standard Specification for Seamless Copper Pipe, Standard Sizes 98 B42 Standard Specification for Seamless Copper Pipe, Standard Sizes 96 B42 Standard Specification for Seamless Copper Pipe, Standard Sizes 93