DIN 21912-1:2006-01 Mine plans - Opencast mining - Part 1: General requirements
标准编号:DIN 21912-1:2006-01
英文标题:Mine plans - Opencast mining - Part 1: General requirements
德文标题:Bergmännisches Risswerk - Tagebau - Teil 1: Allgemeine Anforderungen
发布日期:2006-01
标准预览图


