New rules for dimensioning the ventilation grilles Smay
Please be advised that from 11/19/2012 there are a new rules of dimensioning and installation of grilles.
Principles of dimensioning and installation of grilles from 19 XI. 2012
Please be advised that from 11/19/2012 there are a new rules of dimensioning and installation of grilles.
Principles of dimensioning and installation of grilles from 19 XI. 2012