"Leads" CNS Standards List| Safety requirements | Methods measurement | Method Test | Coated abrasives | Leather − | Mill Saw | Anticorrosive primer | Thymolphthalein | |
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CNS 7081
2018 Edition Leads for mechanical pencils 自動鉛筆用筆芯 |
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CNS 552
2017 Edition Pencil, coloured pencils and Leads for them 鉛筆、顏色鉛筆及其筆芯 |
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CNS 552
2012 Edition Pencil, coloured pencils and Leads for them 鉛筆、顏色鉛筆及其筆芯 |
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