NA 012
DIN Standards Committee Chemical Apparatus Engineering
Technical rule
[CURRENT]
DGGT E 2-22
; GDA E 2-22:2010-04
DGGT E 2-22
; GDA E 2-22:2010-04
Vertikale Schächte in Deponien
Title (German)
Vertikale Schächte in Deponien