JIS B 7021:1989被替代
Classification and water resistibility of water resistant watches for general use
出版：Japanese Standards Association
专家解读视频
基本信息
标准编号： JIS B 7021:1989
标准类别：Standard
出版单位：Japanese Standards Association
标准页数：6
标准简介
This Japanese Industrial Standard specifies the classification and water resistibility of water resistant watches for general use, hereinafter referred to as the "water resistant watches".
替代本标准的新标准
等同采用的国际标准
ISO 2281:1990 - Equivalent
