Rolled steel with increased strength. General specifications.
Прокат из стали повышенной прочности. Общие технические условия. |
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GOST 12.1.018-93, ver1.SSBT. Occupational Safety Standards System. … |
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MinCom 124Safety Instructions for Megaohmmeter Operations |
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PUE PUE 6, Section 2Pue 6_1987_Section 2_Channeling of Electric Power |