GB/T 30661.13-2024 Chinese PDF (GB/T30661.13-2024) GB/T 45168-2024 GB/T 44797-2025_Chinese: Microwave hybrid integrated

GB/T 44797-2025_Chinese: Microwave hybrid integrated circuits - Synthesized frequency sources (Chinese: 微波混合集成电路 合成频率源)

English versions: GB/T 30134-2025

English versions: GB/T 30366-2024

English versions: GB 28286-2024

2-2025_Chinese: Test methods of rare earth phosphors for LED - Part 2: Determination of relative brightness (Chinese: LED用稀土荧光粉试验方法 第2部分：相对亮度的测定)

GB/T 30661.13-2024 Chinese PDF (GB/T30661.13-2024) GB/T 45168-2024 GB/T 44797-2025_Chinese: Microwave hybrid integratedGB T 30661. 13 2024_Chinese: Wheelchair seating Part 13: Determination of the lateral stability property of a seat cushion (Chinese: 13) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30661. 13 2024