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STN 446170 (446170)

Mine ventilation. Light-weight air ducts with rotary flanges

STANDARD published on 1.12.1981

Print design (ON REQUEST)

The information about the standard:

Designation standards: STN 446170
Classification mark: 446170
Catalog number: 63532
Note: WITHDRAWN
Publication date standards: 1.12.1981
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Category: Technical standards STN