
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)

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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)
专家解读视频