• Hydrogen Technologies Standards form the basic framework for market ramp-up

    More information
  • Climate change Standards and specifications support climate targets

    More information
  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

    More information
Standards [CURRENT]

UNE-EN 771-1+A1
Specification for masonry units - Part 1: Clay masonry units

Edition 2016-12-14
Original language Spanish
Price from 107.00 €
Table of contents