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GB 13950-1992 Polyester film used as electrical insulation via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 6553-1986 Test methods for evaluating resistance to tracking and erosion of electrical insulating materials us (USD) via email in 1-3 business day ABOLISHED
GB/T 1305-1985 The general rules of electrical insulating laminated materials based on thermosetting resins for examining,marking, packing, transportation and storage (USD) via email in 1-3 business day ABOLISHED
GB/T 15713-1995 Monocrystalline germanium slices via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB 5134-1985 Test methods of laminated rods used for electrical insulation (USD) via email in 1-3 business day ABOLISHED
GB/T 1409-1988 Methods for the determination of the permittivity and dielectric dissipation factor of solid electrical insulating materials at power,audio and radio frequencies including metre wavelengths via email in ABOLISHED please email coc@codeofchina.com for quotation
GB 8411.2-1987 Porcelain insulating material for electrical applications-Part 2:Test methods (USD) via email in 1-3 business day ABOLISHED
GB 7976-1987 Insulating paper and board-Determination of the electrical conductivity for the water extract (USD) via email in 1-3 business day ABOLISHED
GB/T 9072-1988 Silk fabric for electric insulation (USD) via email in 1-3 business day ABOLISHED
GB 8411.1-1987 Porcelain insulating material for electrical applications-Part 1:Definition,classification and properties (USD) via email in 1-3 business day ABOLISHED
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