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ISO 683-9:1988

Заменен
Heat-treatable steels, alloy steels and free-cutting steels; part 9: wrought free-cutting steels — 15 стр.
ICS
77.140.10 Heat-treatable steels / Термообрабатываемые стали
77.140.20 Stainless. Including alloyed steels, corrosion-resistant steels, heat-resisting steels, etc. / Высококачественные стали