"operators " CNS Standards List| Basic Environmental | Method test | Method Test | Steel drums | Clip Wire | Low voltage | Air Dry | Nodular Graphite | |
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CNS 16119
2019 Edition Welding personnel − Qualification testing of welding operators and weld setters for mechanized and automatic welding of metallic materials 銲接人員－金屬材料機械化及自動銲接之銲接操作員與銲接設定員的檢定試驗 |
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