"LED flat" CNS Standards List |
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CNS 16047
2020 Edition LED flat panel luminaires for indoor general lighting 室內一般照明用LED平板燈具 |
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CNS 8278
2017 Edition Dimensions,mass and permissible variations of hot rolLED flat steel 熱軋扁鋼之形狀、尺度、質量及其許可差 |
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CNS 4247
2017 Edition Flat Knurled Thumb Screws 輥紋扭頭平螺釘 |
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CNS 8278
2001 Edition Dimensions,mass and permissible variations of hot rolLED flat steel 熱軋扁鋼之形狀、尺度、質量及其許可差 |
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CNS 4247
1980 Edition Flat Knurled Thumb Screws 輥紋扭頭平螺釘 |
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