A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
New types of steel supports for underground mines
New types of steel supports for underground mines; older and present systems; development of statically improved systems; proposed standard for steel lining of roadway arches and tubular supports; examples of special cross-sections. (see also translated abstract in Iron and Coal Trades Rev v 125 n 3370 Sept 30 1932 p 509)
New types of steel supports for underground mines
New types of steel supports for underground mines; older and present systems; development of statically improved systems; proposed standard for steel lining of roadway arches and tubular supports; examples of special cross-sections. (see also translated abstract in Iron and Coal Trades Rev v 125 n 3370 Sept 30 1932 p 509)
New types of steel supports for underground mines
Neue formen des Streckenausbaues mit Stahl
Wuerker, R. (author)
Stahl und Eisen ; 52
1932
4 pages
Article (Journal)
German
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