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STN - Slovak standards
Page 4169
STN 446250 (01/09/1974) Withdrawn
Mine ventilation. Plastic air ducts, rigid type
Available design: Print design
STN 446251 (01/12/1992)
Coal mine ventilating. Flexible ventilating pipe
Available languages: Czech
Available design: Print design
STN 446280 (01/01/1955) Withdrawn
Ventilation in mines. Air ducts with rotary flanges. Packing
Available design: Print design
STN 446403 (01/11/1997)
Mine fire water main. General regulations
Available languages: Slovak
Available design: Print design
STN 446405 (01/08/1992)
Sampling and analysis of inert dust samples and coal and inert dust mixtures
Available languages: Czech
Available design: Print design
STN 446410 (01/11/1996)
Mine dams. Common provisions
Available languages: Slovak
Available design: Print design
STN 446410 (01/09/1986) Withdrawn
Mine solid dam. General requirements
Available design: Print design
STN 446411 (01/09/1985) Withdrawn
Anti-burst underground dam against water. General principles
Available design: Print design
STN 446412 (01/05/1988) Withdrawn
Design of mine concrete water dams. Calculation of statics
Available design: Print design
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