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Refractories and refractory raw materials. Methods for the determination of manganese (II) oxide
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Special automatic traffic enforcement devices with photo, filming and recording features. Rules of application
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Electricity metering equipment (a.c). Particular requirements. Part 21. Static meters for active energy (classes 1 and 2)
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Rectangular iron all-cast moulding boxes having inside dimensions: length from 1600 to 2000 mm, width 1000; 1200mm, height 450; 500 mm. Construction and dimensions
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Information technology. Security techniques and tools. Information security management for inter-sector and inter-organizational communications
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