Draft Document - Liquefied petroleum gases - Calculation method for density and vapour pressure - Amendment 1 (ISO 8973:1997/DAM 1:2019); German and English version EN ISO 8973:1999/prA1:2019
文件草案.液化石油气.密度和蒸汽压力的计算方法.修改件1(ISO 8973-1997/DAM 1-2019);德语和英语版本EN ISO 8973:1999/prA1:2019