This standard specifies the integrity requirements and inspection and evaluation methods of biaxial screen grinding machines for 30-66cm picture tube glass bulbs. This standard applies to biaxial screen grinding machines for picture tube glass bulbs of 30 to 66 cm.
SJ/T 31193-1994 history
1970SJ/T 31193-1994 Requirements of readiness and methods of inspection and assessment for biaxial panel grinding machines