GB 21343-2023电石、乙酸乙烯酯、聚乙烯醇、1,4-丁二醇、双氰胺和单氰胺单位产品能源消耗限额国家标准
英文:The norm of energy consumption per unit production of calcium carbide, vinyl acetate, polyvinyl alcohol, 1,4-butanedi...
英文:The norm of energy consumption per unit production of calcium carbide, vinyl acetate, polyvinyl alcohol, 1,4-butanedi...