SPDS. Process automation. Standard symbols and codes for automation instrumentation and equipment for use in diagrams
СПДС. Автоматизация технологических процессов. Обозначения условные приборов и средств автоматизации в схемах. |
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NPB 239-97Ventilation Ducts. Test Method of Fire Resistance |
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GOST R 21.1207-97Construction Design and Estimate Documentation. … |
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GN 2.1.6.1765-03Maximum allowable concentrations (MAC) of … |