"Pentrant" CNS Standards List |
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CNS 12661
2017 Edition Method of Test for Liquid Pentrant and Classification of Indication 滲透探傷試驗法及瑕疵顯現條紋之等級分類 |
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CNS 12661
1990 Edition Method of Test for Liquid Pentrant and Classification of Indication 滲透探傷試驗法及瑕疵顯現條紋之等級分類 |
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