GB/T 3653.1-2024 Chinese PDF (GB/T3653.1-2024) GB/T 16462.2-2023 4-2023_Chinese: Agricultural irrigation equipment -

4-2023_Chinese: Agricultural irrigation equipment - Sprinklers - Part 4: Test methods for durability (Chinese: 农业灌溉设备 喷头 第4部分：耐久性试验方法)

GB/T 17913-2024_Chinese: Grain and oils storage - Phosphine recirculation fumigation equipment (Chinese: 粮油储藏 磷化氢环流熏蒸装备)

English versions: GB/T 45548-2025

7-2023_Chinese: Forensic sciences - Physical and chemical examination of trace evidence - Part 7: Gas chromatography-mass spectrometry (Chinese: 法庭科学 微量物证的理化检验 第7部分：气相色谱-质谱法)

GB/T 3653.1-2024 Chinese PDF (GB/T3653.1-2024) GB/T 16462.2-2023 4-2023_Chinese: Agricultural irrigation equipment -GB T 3653. 1 2024_Chinese: Ferroboron Determination of boron content Alkalimetry method (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 3653. 1 2024