DIN 4124:2002-10 Excavations and trenches - Slopes, planking and strutting, breadths of working spaces

标准编号：DIN 4124:2002-10

英文标题：Excavations and trenches - Slopes, planking and strutting, breadths of working spaces

德文标题：Baugruben und Gräben - Böschungen, Verbau, Arbeitsraumbreiten

发布日期：2002-10

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