div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: · 2020 12 24 · delkom manufacturer of rock drill alternative spare parts DD421 UNDERGROUND DRILLS Sandvik DD421 boosts productivity in mine development and small scale tunneling src=https:reader035fdocumentsinreader035viewer202206240461255771a03fa6079f764ed7html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: · 2020 12 24 · delkom manufacturer of rock drill alternative spare parts DD421 UNDERGROUND DRILLS Sandvik DD421 boosts productivity in mine development and small scale tunneling src=https:reader035fdocumentsinreader035viewer202206240461255771a03fa6079f764ed7html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv