Product Mode： Fixed mode of products： Test Speed： Number of tests： Equipment size： Description: JB/T 6223-1992 "Wheel type Fully Automatic Washing Machine Reduction Clutch" (an old mechanical industry standard that many factories still refer to) Reference for complete machine matching: GB/T 4288 "Household and Similar Use Electric Washing Machines" (washing machine standard, clutch durability can refer to the complete machine program) Equipment manufacturers often refer to: GB/T 23149 (General Guidelines for Reliability of Electric Motors and Drive Systems for Household Appliances, commonly used for developing accelerated life plans)