作废 JJG 162-2009
冷水水表检定规程 冷水水表检定规程 Verification Regulation of Cold Water Meter
发布日期:2009-04-08
实施日期:2009-04-30
分类信息
标准简介

本规程适用于量程范围为(0~20)mg/L的实验室和便携式覆膜电极溶解氧测定仪(以下简称仪器)的首次检定、后续检定和使用中检验

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最后更新时间 2025-08-31