標題: ASTM B 920-2001 次氯酸鈉溶液蒸汽檢測金屬基材上金與鈀合... [打印本頁] 作者: 兌水 時間: 2009-9-15 15:08 標題: ASTM B 920-2001 次氯酸鈉溶液蒸汽檢測金屬基材上金與鈀合... B920-01 Standard Practice for Porosity in Gold and Palladium Alloy Coatings on Metal Substrates by Vapors of Sodium Hypochlorite Solution