GB/T 45548-2025 Chinese PDF (GB /T45548-2025) GB/T 27533-2024 English versions: GB/T 45444-2025

English versions: GB/T 45444-2025

English versions: GB/T 27534

English versions: GB/T 45494-2025

3-2024_Chinese: Antimicrobial and cleaning function of household and similar electrical appliances - Part 3: Particular requirements for air cleaner (Chinese: 家用和类似用途电器的抗菌、除菌、净化功能 第3部分：空气净化器的特殊要求)

English versions: GB/T 6994-2025

GB/T 45548-2025 Chinese PDF (GB /T45548-2025) GB/T 27533-2024 English versions: GB/T 45444-2025GB T 45548 2025_Chinese: Determination of isotope abundance of deuterated reagents Nuclear magnetic resonance spectroscopy (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45548 2025