Indian standard code of practice for heavy duty electric overhead travelling cranes including special service machines for use in steel works 
Indian Standards Institution 
 - New Delhi  Indian Standards Institution  1963 
 - 58p. 
<br/><br/> IS 4137 : 1967 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Cranes-Standards<br/> Standards <br/>NASA Thesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>083.7:621.874  / ISI