BUREAU OF INDIAN STA <br/><br/>
INDIAN STANDARD HELICAL EXTENSION SPRINGS : PART II SPECIFICATION FOR COLD COILED SPRINGS MADE FROM 

 -  1976 
 - NEW DELHI  BUREAU OF INDIAN STANDARDS. 
 - 13 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  HELICAL EXTENSION SPRINGS
<br/><br/><label>Dewey Class. No.: </label>621  / BUR