STB 2172-2011
Blocks for ventilation of concrete and of ferroconcrete for buildings. Specifications

Standard No.

STB 2172-2011

Release Date

2011

Published By

BELST

Latest

STB 2172-2011

STB 2172-2011 history

• 2011 STB 2172-2011 Blocks for ventilation of concrete and of ferroconcrete for buildings. Specifications