Elementary coals. Technical requirements for export products
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Brushes for electrical machines of specialized purposes. Types and dimensions
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Carbon poles for automatic voltage and current regulators
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Carbon poles for automatic voltage and current regulators. Specification
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Coals for air-arc surface cutting of metals
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Carbon electrodes for arc-cutting and welding of metals. Specification
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Graphite anodes. Specification
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Brushes for electrical machines. Types and dimensions
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Brushes for electrical machines. Lining. Design, dimensions and technical requirements
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Tips for brushes of electric machines. Technical requirements
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Fork tips for electrical machine brushes. Design and dimensions
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