Microfilming of technical drawings and other drawing office documents — Part 4: Microfilming of drawings of special and exceptional elongated sizes
技术图纸和其他图纸办公室文件的缩微胶片第4部分:特殊和特殊加长尺寸图纸的缩微胶片
Establishes general principles for microfilming drawings of special and exceptional elongated sizes specified in ISO 5457. Is applicable to sequences of microfilmed multiple frame drawings, reduction ratios and frame overlap.