"opacity(paper" CNS Standards List| Hot pepper | Testing Standard | Assembly tools | Cottonseed meal | Chemical Resustabt | Glossary Terms | Concrete Reinforied | Method test | |
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CNS 14931
2018 Edition Paper and paperboard - Determination of opacity(paper backing)- Diffuse reflectance method 紙與紙板不透明度(紙張背襯)試驗法-擴散反射率法 |
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