Report - GOST 1.2-97 Interstate system for standardization. …gostexpert.ru/data/files/1.2-97/41a60377ba920919939d...! " 1.2-97, 5 6 3 > A C 4 0 @ A B 2 5 = = 0 O A 8 A B 5 < 0 A B 0

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