KS X ISO/IEC 13673:2015 Information technology — Document processing and related communication — Conformance testing for Standard Generalized Markup Language(SGML) systems
2015KS X ISO/IEC 13673:2015 Information technology — Document processing and related communication — Conformance testing for Standard Generalized Markup Language(SGML) systems
2003KS X ISO/IEC 13673:2003 Information technology-Document processing and related communication-Conformance testing for Standard Generalized Markup Language(SGML) systems