GB/T 6594.1-2025 Chinese PDF (GB /T6594.1-2025) GB/T 45484-2025 GB 12664-2024_Chinese: General technical requirements

GB 12664-2024_Chinese: General technical requirements for portable X-ray security inspection equipment (Chinese: 便携式X射线安全检查设备技术规范)

3-2024_Chinese: Optics and photonics - Microlens arrays - Part 3: Test methods for optical properties (Chinese: 光学和光子学 微透镜阵列 第3部分：光学特性测试方法)

scientific and medical equipment - Radio-frequency disturbance characteristics - Limits and methods of measurement (Chinese: 工业、科学和医疗设备 射频骚扰特性 限值和测量方法)

GB/T 45040-2024_Chinese: Bedding - Test method for air permeability of latex products (Chinese: 床上用品 乳胶制品透气性试验方法)

GB/T 6594.1-2025 Chinese PDF (GB /T6594.1-2025) GB/T 45484-2025 GB 12664-2024_Chinese: General technical requirementsGB T 6594. 1 2025_Chinese: Plastics Polystyrene(PS) moulding and extrusion materials Part 1: Designation system and basis for specifications (Chinese: PS 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 6594. 1 2025