标准编号:NF T20-082-1976
标准名称:工业用化学制品.当测量数值分散的标准偏差为未知时平均值测定的取样
英文名称:(CHEMICAL PRODUCTS FOR INDUSTRIAL USE. SAMPLING IN ORDER TO DETERMINE A MEAN VALUE IN THE CASE WHERE THE BETWEEN UNITS STANDARD DEVIATION OF THE MEASURED CHARACTERISTIC IS UNKNOWN.)
发布部门:
发布日期:1976-03-01
实施日期:
标准状态:现行
文件格式:PDF