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GB/T 20236-2025_Chinese: Accelerated outdoor weathering test methods for nonmetallic materials using concentrated natural sunlight (Chinese: 非金属材料的聚光加速户外暴露试验方法)
GB/T 27930
English versions: GB/T 45171-2024
GB/T 45199-2025_Chinese: Assessment of the endangerment degree of poultry genetic resources (Chinese: 家禽遗传资源濒危等级评定)
English versions: GB/T 45454-2025
GB/T 14048.1-2023 Chinese PDF (GB/T14048.1-2023) GB 43631-2023 GB/T 20236-2025_Chinese: Accelerated outdoor weatheringGB T 14048. 1 2023_Chinese: Low voltage switchgear and controlgear Part 1: General rules (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 14048. 1 2023
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US$ 16.40
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