Home / Standards / GB/T 3475-2025 GB/T 3475-2025 Active Requirement and test method for speed governing system of marine diesel engine 船用柴油机调速系统技术要求和试验方法 Standard Type GBT ICS 47.020.20 CCS U 44 Status 现行 Issue Date 2025-08-01 Implementation 2026-02-01 Responsible Dept 国家标准委 Drafting Unit N/A