Materials and articles in contact with foodstuffs. Silicate surfaces. Determination of the release of lead and cadmium from silicate surfaces other than ceramic ware— 16 стр.
Vitreous enamel coatings for use on bolted steel panels, Specification for coatings on bolted steel panels for use in agricultural slurry tanks— 10 стр.
Vitreous enamel coatings for use on bolted steel panels, Specification for coatings on bolted steel panels for use in industrial liquid storage tanks— 10 стр.