"Microscopic testing " CNS Standards List| Method test | Welding Transformers | Parallel Bench | Method Test | U Shaped | Method Test | Textiles − | Spring Collets | |
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CNS 2910
2019 Edition Microscopic testing method for non-metallic inclusions in steel 鋼內非金屬介在物之顯微鏡試驗法 |
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