This standard specifies the measurement method and calculation of the circumference length and circumference difference of basketball, football, volleyball and handball. This standard applies to basketball, football, volleyball and handball for sports.
GB/T 14625.5-1995 history
2008GB/T 14625.5-2008 Test methods for basketball,football,volleyball and handball- Part 5:Measurement of circumference and its variation
1995GB/T 14625.5-1995 The measurement of circumference and its variation for basketball, football, volleyball and handball