NA 012
DIN Standards Committee Chemical Apparatus Engineering
Technical rule
[Withdrawn]
DIN 28121 Beiblatt 1
DIN 28121 Beiblatt 1
Flanged holders for circular sightglasses, PN 25; example for calculation
Title (German)
Runde Schauglasarmatur; Anschlußmaße, Nenndruck 25, Berechnungsbeispiel