GB/T 27697-2024 Chinese PDF (GB /T27697-2024) GB/T 11730-2025 1-2025_Chinese: Test methods for polarizers

1-2025_Chinese: Test methods for polarizers of flat panel displays - Part 1: Physical and chemical properties (Chinese: 平板显示器偏光片测试方法 第1部分：理化性能)

2-2025_Chinese: Petroleum and natural gas industries - Materials for use in H2S-containing environments in oil and gas production - Part 2: Cracking-resistant carbon and low alloy steels

GB/T 2941-2025_Chinese: Rubber - General procedures for preparing and conditioning test pieces for physical test methods (Chinese: 橡胶 物理试验方法试样制备和调节通用程序)

power supply units and combinations thereof - Part 5: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers for general applications (Chinese: 变压器、电抗器、电源装置及其组合的安全 第5部分：一般用途隔离变压器和内装隔离变压器的电源装置的特殊要求和试验)

GB/T 19980-2025_Chinese: Textiles - Method for assessing appearance of textile products after domestic washing and drying (Chinese: 纺织品 纺织产品经家庭洗涤和干燥后外观的评价方法)

GB/T 27697-2024 Chinese PDF (GB /T27697-2024) GB/T 11730-2025 1-2025_Chinese: Test methods for polarizersGB T 27697 2024_Chinese: Hydraulic bottle jacks (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 27697 2024