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Metal-cutting machine tools. Methods of complex checking two specimen flat surface for parallelism and straightness
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United power system and isolated power systems. Relay protection and network automation of autotransformers (transformers), shunt reactors, controlled shunt reactors, capacitor banks 110 kV and above. Functional requirements
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Mining. Mine ventilation. Terms and definitions
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Sound absorbing materials. Sound absorption measurement method in reverberation room
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