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English versions: GB/T 45143-2024
506-2025_Chinese: Laser display devices - Part 5-6: Measuring methods for optical performance of projection screens (Chinese: 激光显示器件 第5-6部分：投影屏幕光学性能测试方法)
English versions: GB 28008-2024
GB/T 45602-2025_Chinese: Ships and marine technology - Adjustable roller-type chain stoppers (Chinese: 船舶与海洋技术 可调式滚轮闸刀掣链器)
3-2022_Chinese: Automatic electrical controls - Part 3: Particular requirements for thermal motor protectors (Chinese: 电自动控制器 第3部分：电动机热保护器的特殊要求)
GB/T 27651-2023 Chinese PDF (GB/T27651-2023) GB/T 28634-2025 English versions: GB/T 45143-2024GB T 27651 2023_Chinese: Use category and requirements for preservative treated wood (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 27651 2023
