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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]

SN EN 772-20/A1 ; SIA 177.120/A1:2005-09
Methods of test for masonry units - Part 20: Determination of flatness of faces of masonry units

Title (German)

Prüfverfahren für Mauersteine - Teil 20: Bestimmung der Ebenheit von Mauersteinen

Edition 2005-09

Original language German

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

Climate change Standards and specifications support climate targets

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

SN EN 772-20/A1 ; SIA 177.120/A1:2005-09 Methods of test for masonry units - Part 20: Determination of flatness of faces of masonry units

Want to learn more?

SN EN 772-20/A1 ; SIA 177.120/A1:2005-09
Methods of test for masonry units - Part 20: Determination of flatness of faces of masonry units