
TECHNICAL DRAWINGS - SIMPLIFIED REPRESENTATION OF PIPELINES - PART 1: GENERAL RULES AND ORTHOGONAL REPRESENTATION (ISO/FDIS 6412-1:2017)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
TECHNICAL DRAWINGS - SIMPLIFIED REPRESENTATION OF PIPELINES - PART 1: GENERAL RULES AND ORTHOGONAL REPRESENTATION (ISO/FDIS 6412-1:2017)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻