This standard is formulated in accordance with the principles and methods of ISO9712:1992. It is applicable to the qualification and certification of personnel applying the following non-destructive testing methods managed by a relatively independent national certification body for non-destructive testing personnel.
GB/T 9445-1999 history
2015GB/T 9445-2015 Non-destructive testing.Qualification and certification of NDT personnel
2008GB/T 9445-2008 Non-destructive testing.Qualification and certification of personnel
2005GB/T 9445-2005 Non-destructive testing.Qualification and certification of personnel
1999GB/T 9445-1999 Qualification and certification for nondestructive testing personnel