GB/T 3920-2024 Chinese PDF (GB /T3920-2024) GB/T 19701.3-2024 GB/T 30771-2024_Chinese: Domestic devitroceram (Chinese:

GB/T 30771-2024_Chinese: Domestic devitroceram (Chinese: 日用玻璃陶瓷)

4-2024_Chinese: Grain and oil storage - Monitoring and control system of stored-grain condition - Part 4: Information exchange interface protocol (Chinese: 粮油储藏 粮情测控系统 第4部分：信息交换接口协议)

GB 45188-2024_Chinese: Hand protection - Protective gloves for welders (Chinese: 手部防护 焊工防护手套)

7-2025_Chinese: Plastics - Polyether polyols for use in the production of polyurethane - Part 7: Determination of basicity (Chinese: 塑料 聚氨酯生产用聚醚多元醇 第7部分：碱性物质含量的测定)

nickel and cobalt contents - Flame atomic absorption spectroscopy (Chinese: 锡化学分析方法 第1部分：铜、铅、锌、镉、银、镍和钴含量的测定 火焰原子吸收光谱法)

GB/T 3920-2024 Chinese PDF (GB /T3920-2024) GB/T 19701.3-2024 GB/T 30771-2024_Chinese: Domestic devitroceram (Chinese:GB T 3920 2024_Chinese: Textiles Tests for colour fastness Colour fastness to rubbing (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 3920 2024