Pay in 4 interest-free payments of $9.75 Learn more
Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
English versions: GB/T 45520-2025
English versions: GB/T 45040-2024
3-2025_Chinese: Leather and fur - Determination of the preservative content - Part 3: Gas chromatography-mass spectrometry method(methanol extraction) (Chinese: 皮革和毛皮 防霉剂的测定 第3部分：气相色谱-质谱法（甲醇萃取）)
5-2024_Chinese: Artificial intelligence medical device - Quality requirements and evaluation - Part 5: Pre-trained models (Chinese: 人工智能医疗器械 质量要求和评价 第5部分：预训练模型)
GB 23864-2023 Chinese PDF GB/T 6150.19-2025 English versions: GB/T 45520-2025GB 23864 2023_Chinese: Firestop material (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 23864 2023
US$ 18.00
US$ 24.99
US$ 34.95
