GB/T 13511.1-2025 Chinese PDF (GB /T13511.1-2025) GB/T 10810.3-2025 English versions: GB 5768

English versions: GB 5768

31-2025_Chinese: National food safety standard - Determination of p-hydroxybenzoic acid esters in foods (Chinese: 食品安全国家标准 食品中对羟基苯甲酸酯类化合物的测定)

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)

GB/T 10841-2025_Chinese: Marine shapes (Chinese: 船用号型)

GB 20943-2025_Chinese: Minimum allowable values of energy efficiency and energy efficiency grades for AC-DC and AC-AC power supplies (Chinese: 交流-直流和交流-交流电源能效限定值及能效等级)

GB/T 13511.1-2025 Chinese PDF (GB /T13511.1-2025) GB/T 10810.3-2025 English versions: GB 5768GB T 13511. 1 2025_Chinese: Assembled spectacles Part 1: Single vision and multifocal prescription assembled spectacles (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 13511. 1 2025