Pay in 4 interest-free payments of $9.75 Learn more
Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
1编码规则 第1部分:基本编码规则（BER）、正则编码规则（CER）和非典型编码规则（DER）规范)
English versions: GB/T 17435-2025
English versions: GB/T 12357
5-2025_Chinese: National food safety standard - Determination of protein in food (Chinese: 食品安全国家标准 食品中蛋白质的测定)
English versions: GB/T 22247-2024
GB/T 2099.31-2025 Chinese PDF (GB /T2099.31-2025) GB/T 12417.2-2025 1编码规则 第1部分:基本编码规则（BER）、正则编码规则（CER）和非典型编码规则（DER）规范)GB T 2099. 31 2025_Chinese: Plugs and socket outlets for household and similar purposes Part 31: Particular requirements for socket outlets incorporating USB power supply (Chinese: 31USB) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 2099. 31 2025
US$ 16.99
US$ 27.99
US$ 11.88
US$ 16.99
US$ 16.99
US$ 28.99
US$ 14.99
US$ 28.99
US$ 21.36
US$ 16.99
