Indian standard : method for charpy impact test (U-notch) for metals  HV 5 to HV 100 

 - New Delhi  Bureau of Indian standards  1978 
 - 8p.  
<br/><br/> IS : 1499 - 1977 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Code of practice -- Industrial lighting -- Indian Standards<br/>Indian Standards