Home / Standards / JB/T 8306.2-1995 JB/T 8306.2-1995 Active 计时仪器用齿轮圆弧齿轮 Standard Type JB ICS N/A CCS N/A Status Active Issue Date 1996-04-14 Implementation 1996-04-14 Centralized Committee 机械工业部 Issuing Authority 机械工业部