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Federal norms and regulations in the field of industrial safety 'On approval of safety guidelines for flare systems' Order No. 450 dated 22.12.2021 of the Federal Service for Environmental, Technological and Nuclear Supervision (Rostechnadzor)
Document status: Active
On approval of Federal norms and regulations in the field of industrial safety 'General rules on explosion protection for explosive and fire hazardous chemical, petrochemical plants and oil refineries' Order No. 533 dated 15.12.2020 of the Federal Service for Environmental, Technological and Nuclear Supervision (Rostechnadzor)
Document status: Active
Butt welded steel flanges of vessels and apparatus. Design and dimensions
Document status: Replaced by GOST 28759.3-2022
Turf and products of its processing. Methods for the determination of ash content
Document status: Replaced by GOST 11306-2013
Steel enamelled collectors. Types, basic parameters and dimensions
Document status: Active
Niobium pentoxide. Method for the determination of potassium and sodium content
Document status: Active