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Steel welded vessels and apparatus. General specifications

Document status: Replaced by GOST R 52630-2012

Oil for ventilating filters. Specifications

Document status: Active

Ozonization equipment. Safety requirements

Document status: Cancelled

Bauxite. Methods of sampling and sample preparation for chemical analysis and water content determination

Document status: Active

Chromium ores and concentrates. Methods for determination of calcium oxide and magnesium oxide

Document status: Active

Surface active agents. Preparation of water with known calcium hardness

Document status: Active