2015JB/T 9444-2015 Basic environment test methods for copying machines
1999JB/T 9444.7-1999 Basic environmental testing method of copying machines - Test Eb: Tilt drop test
JB/T 9444.7-1999 Basic environmental testing method of copying machines - Test Eb: Tilt drop test was changed to JB/T 9444-2015 Basic environment test methods for copying machines.