Silk insulating threads. Specifications
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Electro-and heat insulating tapes. Specifications
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Asbestos electro-and heat insulating tapes. Specifications
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Foil-clad electrical insulating materials for manufacture of printed plates. Test methods
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Synthetic resin bonded paper sheets for electrotechnical purposes. Specifications
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Chrysotile cement non-arcing boards for electrical purposes (ACEID). Specifications
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Asbestos cement arc-resistant boards for electrical purposes
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Combined flexible materials for electrical insulation. General specifications
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Silicon wafers. Dimensions
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