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English versions: GB/T 12279
2-2024_Chinese: Cardiovascular implants - Cardiac valve prostheses - Part 2: Surgically implanted heart valve substitutes (Chinese: 心血管植入器械 人工心脏瓣膜 第2部分：外科植入式人工心脏瓣膜)
GB/T 12279
English versions: GB 45671-2025
GB/T 11730-2025_Chinese: Rural domestic water quantity (Chinese: 农村生活饮用水量)
GB 5009.18-2025 Chinese PDF GB/T 10859.1-2025 English versions: GB/T 12279GB 5009. 18 2025_Chinese: National food safety standard Determination of fluorine in foods (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 5009. 18 2025
