cc523pate 发表于 2017-12-18 22:14:44

BS EN ISO 20567-2:2017 Paints and varnishes — Determination of stone-chip resi

BS EN ISO 20567-2:2017 Paints and varnishes — Determination of stone-chip resistance of coatings — Part 2: Single-impact test with a guided impact body (ISO 20567-2:2017)


admin 发表于 2017-12-20 14:54:46

谢谢您的分享，金币已奖励!
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