Indian Standard : ac supplied electronic ballasts for tubular fluorescent lamps -- specification - part 1  performance requirements 

 - New Delhi  Bureau of Indian Standards  1991 
 - 9p.  
<br/><br/> IS 13021(part 1) : 1991 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic ballast<br/>Fluorescent lamp<br/>Indian Standard