GB/T 7019-2024 Chinese PDF (GB /T7019-2024) GB/T 17350-2024 4-2025_Chinese: Assembled spectacles - Part

4-2025_Chinese: Assembled spectacles - Part 4: Multifocal and power-variation near-vision spectacles (Chinese: 配装眼镜 第4部分：多焦和渐变焦老视成镜)

GB/T 45637-2025_Chinese: Electrically operated toothbrushes - Methods for measuring the performance (Chinese: 电动牙刷 性能测试方法)

1-2024_Chinese: Non-destructive testing - Penetrant testing - Part 1: General principles (Chinese: 无损检测 渗透检测 第1部分：总则)

GB/T 45366-2025_Chinese: Geosynthetics - Determination of water permeability characteristics normal to the plane

English versions: GB/T 45385-2025

GB/T 7019-2024 Chinese PDF (GB /T7019-2024) GB/T 17350-2024 4-2025_Chinese: Assembled spectacles - PartGB T 7019 2024_Chinese: Test methods for fiber cement products (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 7019 2024