GB/T 45342-2025 Chinese PDF (GB /T45342-2025) GB/T 29912-2024 English versions: GB/T 20236-2025

English versions: GB/T 20236-2025

English versions: GB/T 2773-2025

N-二甲基甲酰胺的测定 气相色谱-质谱法)

GB/T 29389-2024_Chinese: Technical specification for performance testing of meat-type duck (Chinese: 肉鸭生产性能测定技术规范)

English versions: GB/T 45142-2025

GB/T 45342-2025 Chinese PDF (GB /T45342-2025) GB/T 29912-2024 English versions: GB/T 20236-2025GB T 45342 2025_Chinese: Vitreous and porcelain enamels Inside and outside enamelled valves and pressure pipe fittings for untreated and potable water supply Requirements and testing (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45342 2025