GB/T 33383-2024 Chinese PDF (GB/T33383-2024) GB/T 45177-2024 1-2025_Chinese: Testing and calculating methods

1-2025_Chinese: Testing and calculating methods for seasonal performance factor of energy recovery ventilators for outdoor air handling - Part 1: Seasonal performance factor of sensible heating recovery (Chinese: 热回收新风机组季节性能系数测试和计算方法 第1部分：供热显热回收季节性能系数)

GB/T 45319-2025_Chinese: Eucommia ulmoides oliv

4-2025_Chinese: Quality requirements for oligosaccharides - Part 4: Isomaltooligosaccharide (Chinese: 低聚糖质量要求 第4部分：低聚异麦芽糖)

GB/T 45054-2024_Chinese: Earth-moving machinery - Battery electric non-road mining dumpers - Test methods (Chinese: 土方机械 纯电动非公路矿用自卸车 试验方法)

English versions: GB/T 45264-2025

GB/T 33383-2024 Chinese PDF (GB/T33383-2024) GB/T 45177-2024 1-2025_Chinese: Testing and calculating methodsGB T 33383 2024_Chinese: Corrosion control technology of modified polyvinyl chloride structural adhesive and cement (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 33383 2024