DIN EN ISO 21227-2:2006 色漆和清漆.光成像法评价涂覆表面的缺陷.第2部分:多功能石头切割试验的评价程序(ISO 21227-2:2006)
Paints and varnishes - Evaluation of defects on coated surfaces using optical imaging - Part 2: Evaluation procedure for multi-impact stone-chipping test (ISO 21227-2:2006); German version EN 21227-2:2006