GB 4824-2025 Chinese PDF GB/T 15237-2025 GB/T 20042

GB/T 20042

GB/T 19212

GB/T 14404-2024_Chinese: Plate shear - Testing of the accuracy (Chinese: 剪板机 精度)

GB/T 11617-2025_Chinese: Lexicography - Basic terminology，common symbols and Chinese abbreviations (Chinese: 辞书编纂 基本术语、常用符号和汉语缩略语)

GB/T 14124-2024_Chinese: Mechanical vibration and shock - Vibration of fixed structures - Guidelines for the measurement of vibrations and evaluation of their effects on structures (Chinese: 机械振动与冲击 固定建筑结构的振动 振动测量及对结构影响评价的指南)

GB 4824-2025 Chinese PDF GB/T 15237-2025 GB/T 20042GB 4824 2025_Chinese: Industrial, scientific and medical equipment Radio frequency disturbance characteristics Limits and methods of measurement (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 4824 2025