Indian standard test chart for bench drilling machines 
Indian Standards Institution 
 - New Delhi  Indian Standards Institution  1963 
 - 11p. 
<br/><br/> IS 2426 : 1963 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bench Drilling Machines<br/>Drilling Machines<br/>NASA Thesaurus<br/>Standards
<br/><br/><label>Universal Decimal Class. No.: </label>083.7:621.952:620.1  / ISI