GB/T 29246-2023 Chinese PDF (GB/T29246-2023) GB/T 27697-2024 209-2023_Chinese: Controlgear for electric light

209-2023_Chinese: Controlgear for electric light sources - Part 2-9: Particular requirements for electromagnetic controlgear for discharge lamps(excluding fluorescent lamps) (Chinese: 光源控制装置 第2-9部分：放电灯（荧光灯除外）用电磁控制装置的特殊要求)

2-2024_Chinese: Cardiovascular implants - Cardiac valve prostheses - Part 2: Surgically implanted heart valve substitutes (Chinese: 心血管植入器械 人工心脏瓣膜 第2部分：外科植入式人工心脏瓣膜)

3-2024_Chinese: Welded austenitic-ferritic(duplex) stainless steel tubes and pipes - Part 3: Pipes for oil and gas transmission (Chinese: 奥氏体-铁素体型双相不锈钢焊接钢管 第3部分：油气输送用管)

English versions: GB/T 35132

English versions: GB/T 45433-2025

GB/T 29246-2023 Chinese PDF (GB/T29246-2023) GB/T 27697-2024 209-2023_Chinese: Controlgear for electric lightGB T 29246 2023_Chinese: Information security technology Information security management systems Overview and vocabulary (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 29246 2023