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1 2 0 0 0年第 3期《中国标准化》第 34页 ,ＧＢ Ｔ 12 576 - 1997《液化石油气蒸气压和相对密度及辛烷值计算法》国家标准第 1号修改单在“(2 )表 1更改为新表 :”之后增加如下内容 :表 1 用于计算液化石油气物理性质的数据成份 蒸气压37.8℃、ＫＰａ相对密度15.6 15.6℃
GB T 12 576-1997, “Calculation Method of Vapor Pressure and Relative Density of Liquefied Petroleum Gas and Compression of Octane Number”, National Standard No. 1 (2) ) Table 1 was changed to a new table: "After adding the following: Table 1 Data for calculating the physical properties of liquefied petroleum gas Composition Vapor pressure 37.8 ° C, KPa Relative density 15.6 15.6 ° C