Standards
[CURRENT]
NF P12-121-4
; NF EN 771-4+A1:2015-10-16
NF P12-121-4
; NF EN 771-4+A1:2015-10-16
Specification for masonry units - Part 4: autoclaved aerated concrete masonry units
Title (German)
Festlegungen für Mauersteine - Teil 4: Porenbetonsteine