标准规范网 ›
下载中心 ›
国际标准 ›
【ISO】国际标准化组织标准 ›
ISO 20567-2-2017 Paints and varnishes -- Determination of stone-chip resistance of coatings -- Part 2: Single-impa...: ISO 20567-2-2017 Paints and varnishes -- Determination of stone-chip resistance of coatings -- Part 2_ Single-impa.pdf