British Standards Document
BS ISO 10303-21
Industrial automation systems and integration. Product data representation and exchange. Implementation methods. Clear text encoding of the exchange structure
https://doi.org/10.3403/00572155U
BS ISO 10303-21 is maintained by AMT/4. The current release of this standard is:
BS ISO 10303-21:1994 Industrial automation systems and integration. Product data representation and exchange. Implementation methods. Clear text encoding of the exchange structure
https://doi.org/10.3403/00572155 (published 15/10/1995)
This standard is available from the following sources:
Other historical versions of this standard document also exist: