Russian standards PDF
Monolithic (unshaped) refractory products. Part 1. Terms and classification
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Monolithic (unshaped) refractory products. Part 2. Sampling for testing
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Dependability in technics. Probablistic risk analysis of technological systems. Estimation of final event rate at a given initial state
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Motor vehicles. Bolts with star-type head and small flange
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Space systems and complexes. Maintainability analysis. General requirements
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