"Liquid paraffin " CNS Standards List |
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CNS 10104
2020 Edition Chemical Reagent (Liquid paraffin) 化å¸è©¦è—¥ï¼ˆæ¶²æ…‹çŸ³è Ÿï¼‰ |
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CNS 13954
2019 Edition Liquid paraffin æ¶²æ…‹çŸ³è Ÿ |
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