Explosive atmospheres. Part 35-1. Caplights for use in mines susceptible to firedamp. General requirements and test methods in relation to the risk of explosion
Textiles. Quantitative chemical analysis. Part 21. Mixtures of chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates and certain other fibres (method using cyclohexanone)
Technical diagnostics. Selection of test items for the calibration of equipment for measuring the stress-strain state of structural materials. General requirements
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