Home / Standards / QB 1184-1991 QB 1184-1991 Active GC15型离速平缝机抬牙叉形曲柄技术条件 Standard Type QB11 ICS N/A CCS N/A Status Active Issue Date 1991-07-02 Implementation 1992-02-01 Centralized Committee 轻工业部 Issuing Authority 轻工业部