IS 5553 (PT. 6) : 1990 : reactors--specification PT. 6 : Earthing Transformers (neural couplers) 

 - New Delhi  Bureau of Indian Standards  1990 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earthing Transformers -- Standards -Indian<br/>Indian - Standards<br/>IS 5553 (PT. 6)<br/>Reactors