JIS B 9960-31:2017 Safety of machinery -- Electrical equipment of machines -- Part 31: Particular safety and EMC requirements for sewing machines, units and systems
2017JIS B 9960-31:2017 Safety of machinery -- Electrical equipment of machines -- Part 31: Particular safety and EMC requirements for sewing machines, units and systems
2004JIS B 9960-31:2004 Safety of machinery -- Electrical equipment of machines -- Part 31: Particular safety and EMC requirements for sewing machines, units and systems