GB/T 22453-2025 Chinese PDF (GB /T22453-2025) GB/T 18910.103-2025 English versions: GB 11555-2025

English versions: GB 11555-2025

English versions: GB 21342-2025

12-2025_Chinese: Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing

30-2025_Chinese: National food safety standard - Food contact materials and products - Determination of phthalate esters and determination of migration (Chinese: 食品安全国家标准 食品接触材料及制品 邻苯二甲酸酯类化合物的测定和迁移量的测定)

durum wheat and durum wheat semolina - Determination of the falling number according to Hagberg-Perten (Chinese: 小麦、黑麦及其面粉和杜伦麦及其粗粒粉 Hagberg-Perten法测定降落数值)

GB/T 22453-2025 Chinese PDF (GB /T22453-2025) GB/T 18910.103-2025 English versions: GB 11555-2025GB T 22453 2025_Chinese: Non linear optical crystal devices measuring method for laser (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 22453 2025