"polybasic " CNS Standards List| Series 1 | Steel furrings | Fire resistance | Code international | Building Components | Identification cards | Leather − | Packaging | |
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CNS 8033
2023 Edition Method of test for ash in polybasic acids 多元酸中灰分測定法 |
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CNS 8033
2019 Edition Method of Test for Ash in polybasic Acids 多元酸中灰分測定法 |
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