DIN EN ISO 734 E:2015 文件草案 油籽粕 含油量的测定 己烷(或轻质石油)提取方法(ISO/FDIS 734:2014)
Draft Document - Oilseed meals - Determination of oil content - Extraction method with hexane (or light petroleum) (ISO/FDIS 734:2014); German and English version FprEN ISO 734:2015