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mildew preventives and acidity regulators - Propionic acid (Chinese: 饲料添加剂 第8部分：防腐剂、防霉剂和酸度调节剂 丙酸)
GB/T 12690
1-2024_Chinese: Technical specification for OPC unified architecture and 5G integration - Part 1: General requirements (Chinese: OPC统一架构与5G集成技术规范 第1部分：通用要求)
GB/T 45210-2025_Chinese: Additive manufacturing - Test artifacts - Geometric capability assessment of additive manufacturing systems (Chinese: 增材制造 标准测试件 增材制造系统几何成形能力评估)
GB/T 26871-2024 Chinese PDF (GB/T26871-2024) GB/T 1149.11-2023 mildew preventives and acidity regulatorsGB T 26871 2024_Chinese: Metallographic examination methods of the electrical contact materials (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 26871 2024
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