Indian Standard Degrees of Protection Provided by Enclosures for Low-voltage Switch Gear and Controlgear 
Indian Standards Institution                                 
 - New Delhi  Indian Standards Institution  1963 
 - 16p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Controlgear<br/>Low voltage Switch Gear<br/>NASA Thesaurus<br/>Standard
<br/><br/><label>Universal Decimal Class. No.: </label>083.7:621.316.027.2  / ISI