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GB/T 18216.12-2025 Chinese PDF (GB /T18216.12-2025) GB/T 12690.20-2024 English versions: GB 30185-2025

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English versions: GB 30185-2025

2-2024_Chinese: Grades of cemented carbide - Part 2: Grades of cemented carbide for rock drilling and engineering (Chinese: 硬质合金牌号 第2部分：凿岩及工程用硬质合金牌号)

171-2024_Chinese: Ergonomics of human-system interaction - Part 171: Guidance on software accessible design (Chinese: 人-系统交互工效学 第171部分：软件无障碍设计指南)

1-dichloroethylene and 1

GB/T 18216.12-2025 Chinese PDF (GB /T18216.12-2025) GB/T 12690.20-2024 English versions: GB 30185-2025GB T 18216. 12 2025_Chinese: Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC Equipment for testing, measuring or monitoring of protective measures Part 12: Power metering and monitoring devices(PMD) (Chinese: 1000V1500V 12PMD) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18216. 12 2025

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