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ISO 9177-1-2016 Mechanical pencils for technical drawings -- Part 1: Classification, dimensions, performance requi...: ISO 9177-1-2016.png
ISO 9177-1-2016 Mechanical pencils for technical drawings -- Part 1: Classification, dimensions, performance requi...:
本标准为ISO 9177-1-2016，标准的英文名称为Mechanical pencils for technical drawings -- Part 1: Classification, dimensions, performance requirements and testing，本标准在2016-10-01发布，在2016-10-01开始实施。
ISO 9177-1:2016 specifies classification, dimensions, performance requirements and testing for hand-held mechanical pencils used for technical drawings.
本标准文件共有12页。
ISO 9177-1-2016 Mechanical pencils for technical drawings -- Part 1: Classification, dimensions, performance requi...: ISO 9177-1-2016.png
