This standard applies to the quality classification of KL1 type thumbwheel switches. This standard only gives key performance indicators and is not a complete standard. It must be used together with GB 9536 and its corresponding sub-specifications and blank detailed specifications, SJ 1752 and SJ 1753.
SJ/T 9561.11-1993 history
1993SJ/T 9561.11-1993 KL1 thumbwheel switch--Quality grading standard