GB/T 1149.17-2023 Chinese PDF (GB/T1149.17-2023) GB/T 45587-2025 tidal and other water current

tidal and other water current converters - Part 4: Specification for establishing qualification of new technology (Chinese: 海洋能 波浪能、潮流能及其他水流能转换装置 第4部分：新技术鉴定)

English versions: GB/T 45561

English versions: GB/T 45612-2025

socket-outlets and connectors for ship and shore power supply system (Chinese: 工业用插头插座和耦合器 第6部分：船舶岸电系统用直流插头、插座和连接器)

English versions: GB/T 10476-2024

GB/T 1149.17-2023 Chinese PDF (GB/T1149.17-2023) GB/T 45587-2025 tidal and other water currentGB T 1149. 17 2023_Chinese: Internal combustion engines Piston rings Part 17: Coil spring loaded oil control rings made of steel (Chinese: 17) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 1149. 17 2023