China Number designation a GB Standards Search Result |
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2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days . |
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GB/T 7778-2017 Number designation and safety classification of refrigerants + No.2 modification sheet 制冷剂编号方法和安全性分类+《第2号修改单》 - 中英文版 |
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GB/T 17616-2013 Unified numbering system for designation of iron,steel and alloy 钢铁及合金牌号统一数字代号体系 - 中英文版 |
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GB/T 7778-2008 Number designation and safety classification of refrigerants 制冷剂编号方法和安全性分类 - 中英文版 |
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