GB 19081-2025 Chinese PDF GB 28380-2025 GB/T 12789
$39.00
Description
GB/T 12789
3-2025_Chinese: Household electric direct-acting room heaters - Methods for measuring performance - Part 3: Additional provisions for the measurement of the radiation efficiency (Chinese: 家用直接作用式房间电加热器 性能测试方法 第3部分：辐射效率测量的附加规定)
storage and transportation system (Chinese: 粮食加工、储运系统粉尘防爆安全规范)
GB/T 14600-2025_Chinese: Electronic gas - Nitrous oxide (Chinese: 电子气体 一氧化二氮)
GB 19081-2025 Chinese PDF GB 28380-2025 GB/T 12789GB 19081 2025_Chinese: Safety specification for dust explosion prevention in feed processing system (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 19081 2025
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