Ships and marine technology - Graphical symbols for technical documentation Part 18: Sanitary installations; Text in German and English
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
Ships and marine technology - Graphical symbols for technical documentation Part 18: Sanitary installations; Text in German and English
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频