Maurer, William C., <br/><br/>
Novel drilling techniques / 
by William C. Maurer 
 - ix, 114 páginas :  ilustraciones 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Perforación
<br/><br/><label>LC Class. No.: </label>TA743  / M25 
<br/><br/><label>Dewey Class. No.: </label>622/.24