
TECHNICAL DRAWINGS - SIMPLIFIED REPRESENTATION OF PIPELINES - PART 2: ISOMETRIC PROJECTION (ISO/FDIS 6412-2:2017)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
TECHNICAL DRAWINGS - SIMPLIFIED REPRESENTATION OF PIPELINES - PART 2: ISOMETRIC PROJECTION (ISO/FDIS 6412-2:2017)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频