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 Min Congress J v 37 n 1 Jan 1951 p 41-3)
Advantage of roof bolting over conventional timbering is shown by comparisons of airways and cost. (See also Min Congress J v 37 n 1 Jan 1951 p 41-3)
Roof-bolting benefits ventilation
Colliery Guardian
Meakin, W.D. (Autor:in)
Colliery Guardian ; 182
1951
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 | 1957