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Machining centres. Test conditions. Part 9. Evaluation of the operating times of tool change and pallet change
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Knurled head rest buttons for machine retaining devices. Design
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United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Automatic frequency unloading devices. Norms and requirements
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Dense shaped refractory products. Determination of permanent change in dimensions on heating
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