SS-ISO-10303-21 Complete Document History
Industrial automation systems and integration - Product data representation and exchange - Part 21: Implementation methods: Clear text encoding of the exchange structure (ISO 10303-21:2016, IDT)

Complete Current Edition:
   2016 EDITION - ENGLISH LANGUAGE EDITION - March 4, 2016

Obsolete Revision Information:
   EDITION 2 - ENGLISH LANGUAGE EDITION - March 1, 2002
   EDITION 1 - ENGLISH LANGUAGE EDITION - May 23, 1997