GB/T 37947.4-2024 Chinese PDF (GB/T37947.4-2024) GB 45320-2025 windows and curtain walls of

windows and curtain walls of buildings (Chinese: 建筑门窗、幕墙用密封胶条)

English versions: GB/T 17969

GB/T 10476-2024_Chinese: Specifications for urea high pressure condenser (Chinese: 尿素高压冷凝器技术条件)

GB/T 1288-2024_Chinese: Chemical reagent - Potassium sodium tartrate tetrahydrate (Chinese: 化学试剂 四水合酒石酸钾钠 （酒石酸钾钠）)

3-2023_Chinese: Implants for surgery - Hydroxyapatite - Part 3: Chemical analysis and characterization of crystallinity ratio and phase purity (Chinese: 外科植入物 羟基磷灰石 第3部分：结晶度和相纯度的化学分析和表征)

GB/T 37947.4-2024 Chinese PDF (GB/T37947.4-2024) GB 45320-2025 windows and curtain walls ofGB T 37947. 4 2024_Chinese: Information technology Energy consumption monitoring system of energy user Part 4: Collection of energy varieties (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 37947. 4 2024