作废 QB/T 2405-2010
钟表宝石元件 钟表宝石元件 Horolgical jewel
发布日期:2010-12-29
实施日期:2011-04-01
分类信息
研制信息

归口单位: 全国钟表标准化中心

起草单位: 上海关勒铭有限公司、 轻工业钟表研究所

起草人: 钟慧敏、 杨建敏

标准简介

本标准规定了钟表宝石元件的分类、要求、试验方法、检验规则及标志、包装。本标准适用于安装在钟表机心上的钟表功能宝石元件,也适用于安装在仪表及各种装置上的功能宝石元件

相似标准/计划/法规
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最后更新时间 2025-09-01