KS B ISO 10303-201-2020 Industrial automation systems and integration-Product data representation and exchange-Part 201:Application protocol:Explicit draughting
2020KS B ISO 10303-201-2020 Industrial automation systems and integration-Product data representation and exchange-Part 201:Application protocol:Explicit draughting
2005KS B ISO 10303-201:2005 Industrial automation systems and integration-Product data representation and exchange-Part 201:Application protocol:Explicit draughting