EN 12500:2000 金屬材料的防腐蝕保護(hù)-大氣環(huán)境中的腐蝕可能性-大氣環(huán)境腐蝕性的分類 測(cè)定和估算
Protection of Metallic Materials Against Corrosion - Corrosion Likelihood in Atmospheric Environment - Classification@ Determination and Estimation of Corrosivity of Atmospheric Environments