General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 26303.1-2010
Scope
This part of GB/T 26303 specifies the measuring instruments and measuring tools for copper and copper alloy pipes, sample preparation, determination of environmental conditions and testing methods, testing reports, etc. This part applies to the external dimension detection of copper and copper alloy pipes.
GB/T 26303.1-2010 history
2011GB/T 26303.1-2010 Measuring method for dimensions and shapes of wrought copper and copper alloy.Part 1: Tube