GB/T 20042.7-2024 Chinese PDF (GB /T20042.7-2024) GB/T 17554.1-2025 English versions: GB 17440-2025

English versions: GB 17440-2025

268-2025_Chinese: National food safety standard - Determination of multi-elements in foods (Chinese: 食品安全国家标准 食品中多元素的测定)

GB/T 13963-2025_Chinese: Copying(including multifunction) devices - Terminology (Chinese: 复印（包括多功能）设备 术语)

1-2025_Chinese: Information technology - Abstract Syntax Notation One(ASN

GB 17167-2025_Chinese: General rules for energy measuring instrument equipping and managing of energy user (Chinese: 用能单位能源计量器具配备和管理通则)

GB/T 20042.7-2024 Chinese PDF (GB /T20042.7-2024) GB/T 17554.1-2025 English versions: GB 17440-2025GB T 20042. 7 2024_Chinese: Proton exchange membrane fuel cells Part 7: Test method of carbon paper properties (Chinese: 7) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20042. 7 2024