2007GB 3883.5-2007 Safety of hand-held motor-operated electric tools Part 2: Particular requirements for circular saws
1998GB 3883.5-1998 Safety of hand-held motor-operated electric tools. Part 2: Particular requirements for circular saws and circular knives
GB/T 3883.5-2007 Safety of hand-held motor-operated electric tools - Part 2: Particular requirements for circular saws was changed to GB/T 3883.205-2019 Safety of motor-operated hand-held, transportable and garden tools—Part 205: Particular requirements for hand-held circular saws.