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DIN 13-28:1975-09

Действует
ISO Metric Screw Threads; Coarse and Fine Screw Threads from 1 to 250 mm Screw Thread Diameter; Root Cross-sections, Tensile Stress Cross-sections and Pitch Angles — 10 стр.
ICS
21.040.10 Metric screw threads / Метрические резьбы