Micrographics - Microfilming of documents on 16 mm and 35 mm silver-gelatin type microfilm - Operating procedures; identical with ISO 6199:1991— 14 стр.
Micrographics - Microfilming of documents on 16 mm and 35 mm silver-gelatin type microfilm - Operating procedures; identical with ISO 6199:1991— 14 стр.