STM PDF

Geometrical product specifications (GPS) - Surface texture- Profile - Part 2- Terms, definitions and surface texture parameters. Original standard ISO 21920-2-2021 in PDF full version. Additional info + preview on request

Document status: Active

Smoke and heat control systems - Part 2- Specification for natural smoke and heat exhaust ventilators. Original standard ISO 21927-2-2006 in PDF full version. Additional info + preview on request

Document status: Replaced by St ISO 21927-2-2018

Smoke and heat control systems - Part 2- Specification for natural smoke and heat exhaust ventilators - Amendment 1. Original standard ISO 21927-2-2006 amd1-2010 in PDF full version. Additional info + preview on request

Document status: Replaced by St ISO 21927-2-2018

Smoke and heat control systems - Part 3- Specification for powered smoke and heat exhaust ventilators. Original standard ISO 21927-3-2006 in PDF full version. Additional info + preview on request

Document status: Replaced by St ISO 21927-3-2021

Smoke and heat control systems - Part 3- Specification for powered smoke and heat exhaust ventilators - Amendment 1. Original standard ISO 21927-3-2006 amd1-2010 in PDF full version. Additional info + preview on request

Document status: Replaced by St ISO 21927-3-2021

Mechanical vibration - Rotor balancing - Part 21- Description and evaluation of balancing machines. Original standard ISO 21940-21-2012 in PDF full version. Additional info + preview on request

Document status: Replaced by St ISO 21940-21-2022