GB/T 27728.1-2024 Chinese PDF (GB/T27728.1-2024) GB/T 28168-2025 GB/T 15370

GB/T 15370

GB/T 29301-2024_Chinese: Toner cartridges for electrostatic copying(including multifunction)devices (Chinese: 静电复印（包括多功能）设备用鼓粉盒)

GB/T 45321-2025_Chinese: Measuring method for electric and photometric parameters of filament light sources for power-driven vehicles (Chinese: 机动车用灯丝光源光电参数测量方法)

English versions: GB/T 45479-2025

11-2023_Chinese: Internal combustion engines - Piston rings - Part 11: Half keystone rings made of cast iron (Chinese: 内燃机 活塞环 第11部分：楔形铸铁环)

GB/T 27728.1-2024 Chinese PDF (GB/T27728.1-2024) GB/T 28168-2025 GB/T 15370GB T 27728. 1 2024_Chinese: Wet wipes and similar products Part 1: General requirements (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 27728. 1 2024