Wassara AB
Wassara AB Patent applications | ||
Patent application number | Title | Published |
---|---|---|
20120039673 | ARRANGEMENT FOR A DOWN-THE-HOLE HAMMER DRILL FOR USE IN SOIL CONSOLIDATION THROUGH JET GROUTING - The invention concern an arrangement for a down-the-hole hammer drill ( | 02-16-2012 |
20120012399 | DRILL BIT FOR A DOWN-THE-HOLE DRILL - The invention concerns a drill bit, intended to be used with a down-the-hole drill and comprising a drill head ( | 01-19-2012 |