JT/T 27.48-1993 Technical grade standard for workers in the transportation industry Test workers for road transport and road maintenance (English Version)
This standard specifies the levels, knowledge, skills and work examples of test workers. This standard applies to the training, assessment and use of test workers.
JT/T 27.48-1993 history
1970JT/T 27.48-1993 Technical grade standard for workers in the transportation industry Test workers for road transport and road maintenance