Sandvik DD422i has the widest range of automatic drilling functions, able to achieve reduced over-breaking with maximized pull-out per blast. It’s the ideal choice for underground mine development and small-scale tunneling.
Sandvik DD422i has the widest range of automatic drilling functions, able to achieve reduced over-breaking with maximized pull-out per blast. It’s the ideal choice for underground mine development and small-scale tunneling.
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