Drill rod rack - Otto, Wiegel
The main objects of this invention are to provide an improved form of storage rack for supporting slender rods, such as drill rod stock, in vertical position and in an arrangement whereby rods of one diameter may be kept separate from those of another diameter and whereby the entire stock may be kept properly classified in progressive arrangement according to size, so that any rod of specific dimensions can be readily selected at a glance; and to provide a rack …
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