"fractional" CNS Standards List |
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CNS 2496
2023 Edition Method of fractional distillation test for crude methyl phenol, m-methyl phenol and coal tar (high boiling point) 粗甲酚，間－甲酚及溚酸(高沸點)之分餾試驗法 |
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CNS 16890-2
2021 Edition Air filters for general ventilation − Part 2: Measurement of fractional efficiency and air flow resistance 一般通風用空氣濾網－第2部：區間效率與空氣流阻抗之量測 |
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CNS 2496
2018 Edition Method of fractional Distillation Test for Crude Methyl Phenol, M-Methyl Phenol and Coal Tar (High Boiling Point) 粗甲酚，間–甲酚及溚酸（高沸點）之分餾試驗法 |
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