JIS B 7021:1989被替代
Classification and water resistibility of water resistant watches for general use
出版：Japanese Standards Association
專家解讀視頻
基本信息
標準編號： JIS B 7021:1989
標準類別：Standard
出版單位：Japanese Standards Association
標準頁數：6
標準簡介
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".
替代本標準的新標準
等同采用的國際標準
ISO 2281:1990 - Equivalent
