GB/T 17821-2025 Chinese PDF (GB /T17821-2025) GB 39800.8-2024 GB/T 17821-2025_Chinese: Rubber latex -

GB/T 17821-2025_Chinese: Rubber latex - Determination of density between 5 ℃ and 40 ℃ (Chinese: 胶乳 5℃至40℃密度的测定)

“dry” and “wet” conditions (Chinese: 金属和合金的腐蚀 循环暴露在盐雾、“干”和“湿”条件下的加速试验)

GB/T 14404-2024_Chinese: Plate shear - Testing of the accuracy (Chinese: 剪板机 精度)

33-2024_Chinese: Specifications for optical fibre test methods - Part 33: Measurement methods and test procedures for mechanical characteristics - Stress corrosion susceptibility (Chinese: 光纤试验方法规范 第33部分：机械性能的测量方法和试验程序 应力腐蚀敏感性参数)

English versions: GB/T 19396-2025

GB/T 17821-2025 Chinese PDF (GB /T17821-2025) GB 39800.8-2024 GB/T 17821-2025_Chinese: Rubber latex -GB T 17821 2025_Chinese: Rubber latex Determination of density between 5 and 40 (Chinese: 540) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17821 2025