
Paper - Untrimmed Sizes - Designation And Tolerances For Primary And Supplementary Ranges, And Indication Of Machine Direction (Iso 217:2013)
出版:Osterreichisches Normungsinstitut

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Paper - Untrimmed Sizes - Designation And Tolerances For Primary And Supplementary Ranges, And Indication Of Machine Direction (Iso 217:2013)
出版:Osterreichisches Normungsinstitut
专家解读视频