
Sustainable and traceable cocoa beans Part 4: Requirements for certification schemes (ISO/DIS 34101-4:2017); German and English version prEN ISO 34101-4:2017
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Sustainable and traceable cocoa beans Part 4: Requirements for certification schemes (ISO/DIS 34101-4:2017); German and English version prEN ISO 34101-4:2017
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频