组合使用关键词、标准类型、状态与 ICS 分类，快速定位所需国家标准。
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GB/T 47250-2026
Ships and marine technology—Flange connection for fuel and lubrication oil bunkering—Basic dimensions and technical requirements
GB/T 47249-2026
Ships and marine technology—Design requirements for international ballast water transfer connection flange
GB/T 3033-2025
Ships and marine technology—Identification colours for the content of piping systems
GB/T 4791-2025
Graphical symbols for pipeline accessory of ships
GB/T 17724-2025
Ships and marine technology—Pipework and machinery—Information transfer
GB/T 13854-2025
Jet-pipe electro-hydraulic servo valve
GB/T 45357-2025
Plastics piping systems on ships—Polyethylene（PE）pipes and fittings
GB/T 44916-2024
Ships and marine technology—Gate valves for use in low temperature applications—Design and testing requirements
GB/T 44678-2024
Ships and marine technology—Check valves for use in low temperature applications—Design and testing requirements
GB/T 17727-2024
Nonmetal material gaskets for marine flange
GB/T 19699-2023
Ships and marine technology—Pressure-vacuum valves for cargo tanks and devices to prevent the passage of flame into cargo tanks
GB/T 5744-2023
Marine pneumatic quick-closing valves
GB/T 37476-2019
GB/T 37533-2019
GB/T 43124-2023
Ships and marine technology—Marine environment protection—Tanks and piping systems for facilitating 5 ppm oil-water separation
GB/T 43121.1-2023
Ships and marine technology—Aquatic nuisance species—Part 1: Ballast water discharge sample port
GB/T 42798-2023
Ship sewage collection system
GB/T 600-2023
General specifications for marine piping valves and fittings
GB/T 37476-2019
GB/T 37476-2019