"P240 " CNS Standards List| Method test | Methods Performance | Stationary training | Method Analysis | Metric Buttress | Round Nuts | Coating films | Man made | |
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CNS 15685
2019 Edition Method of test for grain size of coated abrasive microgrits (P240-P2500) 砂紙、砂布用細粒磨料粒度試驗法 |
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