Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Advantage of roof bolting over conventional timbering is shown by comparisons of airways and cost. (see also Colliery Guardian v 182 n 4699 Mar 22 1951 p 372)
Advantage of roof bolting over conventional timbering is shown by comparisons of airways and cost. (see also Colliery Guardian v 182 n 4699 Mar 22 1951 p 372)
Roof-bolting benefits ventilation
Min Congress J
Meakin, W.D. (Autor:in)
1951
3 pages
Aufsatz (Zeitschrift)
Englisch
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Roof-bolting benefits ventilation
| Engineering Index Backfile | 1951
| Engineering Index Backfile | 1953
| Engineering Index Backfile | 1952
| Engineering Index Backfile | 1951
| Engineering Index Backfile | 1950