"Tungsten Wires" CNS Standards List |
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CNS 6341
2019 Edition Thoriated Tungsten Wires and Rods for Lighting and Electronic Equipments 照明及電子設備用釷鎢線及棒 |
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CNS 6338
2019 Edition Tungsten Wires for Lighting and Electronic Equipments 照明及電子設備用鎢線 |
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