NA 041
DIN Standards Committee Heating and Ventilation Technology and their Safety
Standards
[Withdrawn]
DIN 24147-7
DIN 24147-7
Ventilation equipment; shaped pieces; distribution (T-) pieces 90°, cross pieces 90°; symmetrical
Title (German)
Lufttechnische Anlagen; Formstücke; Abzweigreduzierstücke 90°, Kreuzstücke 90°; symmetrisch