
Implementation Of Iso 3272 Microfilming Of Technical Drawings And Other Drawing Office Documents. Part 3: Aperture Card For 35 Mm Microfilm (bs Iso 3272)
出版:British Standards Institution

专家解读视频
Implementation Of Iso 3272 Microfilming Of Technical Drawings And Other Drawing Office Documents. Part 3: Aperture Card For 35 Mm Microfilm (bs Iso 3272)
出版:British Standards Institution
专家解读视频