Home / Standards / MT/T 1289-2025 MT/T 1289-2025 Active 煤矿用隔爆型潜水电泵能效限定值及能效等级 Standard Type MT ICS N/A CCS N/A Status Active Issue Date 2025-09-29 Implementation 2026-03-28 Centralized Committee 国家能源局 Issuing Authority 国家能源局