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發布時間: 2017-2-18 20:46
正文摘要:GB 19881-2005 亞麻纖維加工系統粉塵防爆安全規程Safetu regulation for dust explosion prevention in flax fiber processing system，PDF。* K1 o& z5 M' f5 e* k9 j$ J 本標準規定了亞麻纖維加工系統粉塵防爆的基 ... |
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