DIN 1898:1957-10

Отменен

Taper Pin Twist Drills with 1 : 50 Taper for Taper Pins according to DIN 1 and DIN 7978 — 2 стр.

Заменен на

DIN 1898-1:1990-02

ICS

25.100.30 Drills, countersinks, reamers / Сверла, зенковки, развертки