"Polyethlene insulated " CNS Standards List| Integrated Services | Methods Chemical | Sodium Bitartrate | General Rule | Methods Chemical | Method test | Sugar Cane, | Polyvinyl formal | |
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CNS 13156
2021 Edition Polyethlene insulated and polyvinyl chloride sheathed indoor telephone cables 自來水用聚乙烯夾鋁塑膠管 |
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