
Vitreous and porcelain enamels - Production of specimens for testing enamels on sheet steel, sheet aluminium and cast iron (ISO 28764:2015)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Vitreous and porcelain enamels - Production of specimens for testing enamels on sheet steel, sheet aluminium and cast iron (ISO 28764:2015)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频