Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
General working practice in hard mine seam
Packing; roof supports at face; method of work; roof and floor convergence; roadway supports. Abstract from Report of North Staffordshire Safety in Mines Research Committee before North Staffordshire Inst Min Engrs. (See also Instn Min Engrs -- Trans v 106 Part 9 June 1947 p 467-79)
General working practice in hard mine seam
Packing; roof supports at face; method of work; roof and floor convergence; roadway supports. Abstract from Report of North Staffordshire Safety in Mines Research Committee before North Staffordshire Inst Min Engrs. (See also Instn Min Engrs -- Trans v 106 Part 9 June 1947 p 467-79)
General working practice in hard mine seam
Colliery Guardian
Colliery Guardian ; 174
1947
2 pages
Aufsatz (Zeitschrift)
Englisch
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