GB/T 45650-2025 Chinese PDF (GB /T45650-2025) GB/T 21499-2024 1-2025_Chinese: Quality requirements for organic

1-2025_Chinese: Quality requirements for organic acids - Part 1: Citric acid (Chinese: 有机酸质量要求 第1部分：柠檬酸)

setting time and soundness of the Portland cement (Chinese: 水泥标准稠度用水量、凝结时间与安定性检验方法)

GB/T 1346-2024_Chinese: Test methods for water requirement of standard consistency

English versions: GB/T 45065-2024

3-2025_Chinese: Rules for agricultural seed testing - Part 3: Sowing quality - Purity analysis (Chinese: 农作物种子检验规程 第3部分：播种质量 净度分析)

GB/T 45650-2025 Chinese PDF (GB /T45650-2025) GB/T 21499-2024 1-2025_Chinese: Quality requirements for organicGB T 45650 2025_Chinese: Air source heat pump packages with carbon dioxide as refrigerants (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45650 2025