JIS B 6331-2:2022 Test conditions for numerically controlled turning machines and turning centres -- Part 2: Geometric tests for machines with a vertical workholding spindle
2022JIS B 6331-2:2022 Test conditions for numerically controlled turning machines and turning centres -- Part 2: Geometric tests for machines with a vertical workholding spindle
2013JIS B 6331-2:2013 Test conditions for numerically controlled turning machines and turning centres.Part 2: Geometric tests for machines with a vertical workholding spindle