KS B ISO 10303-204-2020 Industrial automation systems and integration-Product data representation and exchange-Part 204:Application protocol:Mechanical design using boundary representation
2020KS B ISO 10303-204-2020 Industrial automation systems and integration-Product data representation and exchange-Part 204:Application protocol:Mechanical design using boundary representation
2004KS B ISO 10303-204:2004 Industrial automation systems and integration-Product data representation and exchange-Part 204:Application protocol:Mechanical design using boundary representation