This standard specifies the principles, content, requirements and labeling methods for the importance classification of quality characteristics of mechanical industry products. This standard is applicable to the importance classification of mechanical industry products.
JB/T 5058-1991 history
2006JB/T 5058-2006 Foreword of mechanical industry product quality characteristic essentiality classification
1991JB/T 5058-1991 Guidelines for Grading Importance of Quality Characteristics of Machinery Industry Products