Draft Document - Mechanical properties of fasteners made of carbon steel and alloy steel - Part 3: Flat washers with specified property classes - AMENDMENT 1 (ISO 898-3:2018/DAM 1:2020); German and English version EN ISO 898-3:2018/prA1:2020
文件草案——碳钢和合金钢制紧固件的机械性能——第3部分:规定性能等级的平垫圈——修改件1(ISO 898-3-2018/DAM 1:2020);德语和英语版本EN ISO 898-3:2018/prA1:2020