GB/T 4138-2024 Chinese PDF (GB/T4138-2024) GB/T 18282.1-2025 English versions: GB/T 45021
$39.00
Description
English versions: GB/T 45021
GB 44246-2024_Chinese: Household and similar electrical appliances
5-2024_Chinese: Proton exchange membrane fuel cell - Part 5: Test method for membrane electrode assembly (Chinese: 质子交换膜燃料电池 第5部分：膜电极测试方法)
14-2024_Chinese: Insulation co-ordination - Part 14: Insulation co-ordination for AC/DC filters of HVDC system (Chinese: 绝缘配合 第14部分：高压直流系统AC/DC滤波器绝缘配合)
GB/T 4138-2024 Chinese PDF (GB/T4138-2024) GB/T 18282.1-2025 English versions: GB/T 45021GB T 4138 2024_Chinese: Rare earth ferrosilicon magnesium alloy (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4138 2024
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