Home / Standards / QB 1418-1991 QB 1418-1991 Active 卷纸锟轴承外壳及联轴器互换性尺寸 Standard Type QB14 ICS N/A CCS N/A Status Active Issue Date 1991-12-31 Implementation 1992-08-01 Centralized Committee 轻工业部 Issuing Authority 轻工业部