BUREAU OF INDIAN STA <br/><br/>
INDIAN STANDARD SCHEME SYMBOLS FOR WELDING. IS 813 - 1986 

 - 1st ed.  2005 
 - NEW DELHI  BUREAU OF INDIAN STANDARDS. 
 - 28 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  SYMBOLES FOR WELDING
<br/><br/><label>Dewey Class. No.: </label>621  / BUR