British Standards Document
BS EN ISO 1
Geometrical product specifications (GPS). Standard reference temperature for the specification of geometrical and dimensional properties

https://doi.org/10.3403/30433773U

BS EN ISO 1 is maintained by TPR/1. The current release of this standard is:

BS EN ISO 1:2022 Geometrical product specifications (GPS). Standard reference temperature for the specification of geometrical and dimensional properties

https://doi.org/10.3403/30433773 (published 19/07/2022)

This standard is available from the following sources:

Other historical versions of this standard document also exist:

BS EN ISO 1:2016 [current until 19/07/2022]
BS EN ISO 1:2002 [current until 31/10/2016]