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Gas analysis. Preparation of calibration gas mixtures. Gravimetric method
Document status: Active
Feldspar and quartzfeldapar raw material for glass industry. Specifications
Document status: Active
Marble. Method for the determination of silicon dioxide, aluminium oxide and ferric oxide
Document status: Active
Motor fuel. Corrosion testing under water condensation conditions
Document status: Active
Metal frame yield supports. Arch support. General specifications
Document status: Replaced by GOST 31560-2024