| Explosion-proof electrical equipment. Part 10. Classification of hazardous areas.
Электрооборудование взрывозащищенное. Часть 10. Классификация взрывоопасных зон. |
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GOST 24570-81Safety valves for steam and hot-water boilers. … |
RD 153-39.4-042-99Guidelines for Determining the Mass of Oil … |
REG 4Instructions On Filling Out Unified Forms of … |