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English versions: GB/T 31318-2025
2-2024_Chinese: Lighting of work places - Part 2: Lighting requirements for safety and security of outdoor work places (Chinese: 工作场所照明 第2部分：室外作业场所的安全保障照明要求)
“dry” and “wet” conditions (Chinese: 金属和合金的腐蚀 循环暴露在盐雾、“干”和“湿”条件下的加速试验)
GB/T 45164-2024_Chinese: Classification and designation of defects in investment castings (Chinese: 熔模铸件缺陷分类及命名)
GB/T 17758-2023 Chinese PDF (GB/T17758-2023) GB 17945-2024 English versions: GB/T 31318-2025GB T 17758 2023_Chinese: Unitary air conditioners (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17758 2023
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US$ 115.00
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US$ 117.50
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