Home / Standards / GB 1253-1989 GB 1253-1989 Abolished Working chemical--Sodium chloride 工作基准试剂(容量) 氯化钠 Standard Type GB ICS 71.040.30 CCS G61 Status 废止 Issue Date 1989-03-31 Implementation 1989-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A