GB/T 35267.4-2025 Chinese PDF (GB /T35267.4-2025) GB/T 27069-2025 GB/T 31771-2024_Chinese: Housekeeping service -

GB/T 31771-2024_Chinese: Housekeeping service - Specification for quality of maternal and infant care services (Chinese: 家政服务 母婴护理服务质量规范)

5-2024_Chinese: Proton exchange membrane fuel cell - Part 5: Test method for membrane electrode assembly (Chinese: 质子交换膜燃料电池 第5部分：膜电极测试方法)

English versions: GB/T 17643-2025

English versions: GB/T 3917

English versions: GB 45438-2025

GB/T 35267.4-2025 Chinese PDF (GB /T35267.4-2025) GB/T 27069-2025 GB/T 31771-2024_Chinese: Housekeeping service -GB T 35267. 4 2025_Chinese: Washer disinfectors Part 4: Endoscope washer disinfectors (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 35267. 4 2025