现行 JJF 1356-1990
酸度(pH)基准操作技术规范 酸度(pH)基准操作技术规范 Operating Technical Norm pH Primary Standard
发布日期：
实施日期：
分类信息
发布单位或类别： 中国 国家计量技术规范
CCS分类： A61综合 - 计量 - 化学计量
ICS分类：
标准简介

无

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酸度基准操作pH

最后更新时间 2025-08-28