标 准 编 号：BS EN ISO 15720-2001简体中文标题：金属覆层.孔隙率试验.凝胶材料电谱法测定金属基体上金或钯涂层的孔隙率繁体中文标题：金属覆层.孔隙率试验.凝胶材料电谱法测定金属基体上金或钯涂层的孔隙率English Name：Metallic coatings - Porosity tests - Porosity in gold or palladium coatings on metal substrates by gel-bulk electrography