GB/T 22321.1-2025 Chinese PDF (GB /T22321.1-2025) GB/T 18655-2025 GB/T 14478-2025_Chinese: Basic technical specification

GB/T 14478-2025_Chinese: Basic technical specification of inlet valves for large and medium-sized hydraulic turbines (Chinese: 大中型水轮机进水阀门基本技术规范)

12-2025_Chinese: Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing

English versions: GB/T 17145-2024

English versions: GB/T 11730-2025

GB/T 20882

GB/T 22321.1-2025 Chinese PDF (GB /T22321.1-2025) GB/T 18655-2025 GB/T 14478-2025_Chinese: Basic technical specificationGB T 22321. 1 2025_Chinese: Information technology Chinese coded character set 48 dot matrix font of Chinese ideogram Part 1: Song ti (Chinese: 48 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 22321. 1 2025