现行 JJF 1231-1990
千克基准砝码操作技术规范 千克基准砝码操作技术规范 Operating Technical Norm of The Kilogram Prototype
发布日期：1990-01-01
实施日期：1990-01-01
分类信息
发布单位或类别： 中国 国家计量技术规范
CCS分类： A53综合 - 计量 - 力学计量
ICS分类：
标准简介

无

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最后更新时间 2025-08-28