"Sheffield" CNS Standards List| Information technology | Steel Forgings | Micrographics | Woodruff Keys | Tommy Screws | Handles Cranes | Light gauge | Signal Quality | |
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CNS 13314
2022 Edition Method of test for air permeance of paper and board (Sheffield method) 紙及紙板透氣度試驗法(Sheffield法) |
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CNS 13314
2018 Edition Methed of test for air permeance of paper and board (Sheffield method) 紙及紙板透氣度試驗法（Ｓｈｅｆｆｉｅｌｄ法） |
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