NA 012
DIN Standards Committee Chemical Apparatus Engineering
Standards
[CURRENT]
DIN 24901-4
DIN 24901-4
Graphical symbols for technical drawings for use in the engineering and related fields; comporessors, fans; presentation in flow diagrams
Title (German)
Graphische Symbole für technische Zeichnungen für den Maschinenbau; Kompressoren, Ventilatoren; Darstellung in Fließbildern