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搪瓷耐室溫檸檬酸性能測試方法

Vitreous and porcelain enamels; Determination of resistance to citric acid at room temperature
標準號:GB/T 9989-1988
Vitreous and porcelain enamels; Determination of resistance to citric acid at room temperature
標準號:GB/T 9989-1988