Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Plumbing down during geometrical orientation of mine shafts
Effect of eddies in ventilation current on deflection of plumbing lines; magnitude of systematic and casual errors due to deflection; it is recommended to use wire not over 1 mm in diam and to apply maximum permissible weight.
Plumbing down during geometrical orientation of mine shafts
Effect of eddies in ventilation current on deflection of plumbing lines; magnitude of systematic and casual errors due to deflection; it is recommended to use wire not over 1 mm in diam and to apply maximum permissible weight.
Plumbing down during geometrical orientation of mine shafts
O proektirovanii otvesami pri geometricheskom orientirovanii shakht
Lisitsa, I.G. (Autor:in)
1963
4 pages
Aufsatz (Zeitschrift)
Russisch
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