GB/T 45646-2025 Chinese PDF (GB /T45646-2025) GB 5009.307-2025 English versions: GB/T 16981-2025

English versions: GB/T 16981-2025

GB/T 45487-2025_Chinese: Ships and marine technology - Marine environment protection - Specification for collecting data on ship's fuel oil consumption (Chinese: 船舶与海上技术 海上环境保护 船舶燃油消耗数据收集规范)

GB/T 44967-2024_Chinese: General rule of feed enzyme preparation (Chinese: 饲料用酶制剂通则)

4-2024_Chinese: Chemical analysis methods of mixed rare earth oxide of ion-absorption rare earth ore - Part 4: Determination of iron trioxide content - Inductively coupled plasma atomic emission spectrometry (Chinese: 离子型稀土矿混合稀土氧化物化学分析方法 第4部分：三氧化二铁含量的测定 电感耦合等离子体发射光谱法)

GB/T 45646-2025 Chinese PDF (GB /T45646-2025) GB 5009.307-2025 English versions: GB/T 16981-2025GB T 45646 2025_Chinese: Greenhouse gases The quantification method and requirement for carbon footprint of products Internal combustion engines (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45646 2025