GB/T 32251-2024 Chinese PDF (GB/T32251-2024) GB/T 32517-2024

GB/T 32251-2024 Chinese PDF (GB/T32251-2024) GB/T 32517-2024GB T 32251 2024_Chinese: Investment casting process Pollutants control (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 32251 2024

English versions: GB/T 32873-2025

5-2025_Chinese: Lightning protection system components(LPSC) - Part 5: Requirements for earth electrode inspection housings and earth electrode seals (Chinese: 雷电防护系统部件（LPSC） 第5部分：接地极检测箱和接地极密封件的要求)

English versions: GB/T 45169-2025

24-2025_Chinese: Methods for chemical analysis of magnesium and magnesium alloys - Part 24: Determination of trace impurity elements contents - Glow discharge mass spectrometry (Chinese: 镁及镁合金化学分析方法 第24部分：痕量杂质元素的测定 辉光放电质谱法)

English versions: GB/T 35319-2025

English versions: GB/T 31211

English versions: GB/T 44939-2024

English versions: GB/T 45575-2025

English versions: YY 0790-2024

GB/T 19510

GB/T 31900-2024_Chinese: Woven children’s clothing (Chinese: 机织儿童服装)

English versions: GB/T 23150-2024