Micrographics. First generation silver-gelatin microforms of source documents. Density specifications and method of measurement
缩微摄影 源文件的第一代银明胶缩微品 密度规格和测量方法
发布日期:
2000-03-15
交叉引用:ISO 5-1:1984 ISO 5-2:1991ISO 5-3:1995ISO 6196-1:1993ISO 6196-4:1998ISO 6196-5:1987ISO 6196-6:1992