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GB/T 45020-2024_Chinese: Methods for chemical analysis of niobium hafnium alloys - Determination of trace impurity elements content - Inductively coupled plasma mass spectrometry (Chinese: 铌铪合金化学分析方法 痕量杂质元素的测定 电感耦合等离子体质谱法)
GB/T 44996-2024_Chinese: General technical requirements for bag forming
English versions: GB/T 45245-2025
English versions: GB 19272-2024
English versions: GB/T 45478-2025
GB 15979-2024 Chinese PDF GB/T 45237-2025 GB/T 45020-2024_Chinese: Methods for chemicalGB 15979 2024_Chinese: Hygienic requirements for disposable sanitary products (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 15979 2024
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