DIN 20401-2:1961-06

Отменен

Buttress Threads with Pitch from 0.8 to 2 mm; Limiting Screw Thread Dimensions — 1 стр.

Заменен на

DIN 20401-2:1984-05

ICS

21.040.30 Special. Including miniature screw threads, pipe threads, etc. / Специальные резьбы. Включая мелкие резьбы, трубные резьбы и т.д.