标准规范网 ›
下载中心 ›
国际标准 ›
【ISO】国际标准化组织标准 ›
ISO 20567-1-2017 Paints and varnishes -- Determination of stone-chip resistance of coatings -- Part 1: Multi-impac...: ISO 20567-1-2017 Paints and varnishes -- Determination of stone-chip resistance of coatings -- Part 1_ Multi-impac.pdf