Mine ventilation

Details Mine ventilation Mine ventilation

E - Fixed Constructions

21

F

E21F 1/14 (2006.01)

Patent

CA 2438277

A mine air crossing includes opposite side walls and a deck extending from side wall to side wall. Each side wall includes a plurality of sections assembled side-by-side and interconnected by quick-connections. Similarly, each deck may include deck sections assembled side-by-side and interconnected by quick- connections.

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