DIN 15990:1981-12 Developing machines for photographic film and paper (sheet and roll material); safety regulations

标准编号：DIN 15990:1981-12

英文标题：Developing machines for photographic film and paper (sheet and roll material); safety regulations

德文标题：Entwicklungseinrichtungen für photographische Filme und Papiere in Blatt- und Rollenform; Sicherheitstechnische Anforderungen

发布日期：1981-12

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