Indian Standard : code of practice for use of metal arc welding for general construction in mild steel  control charts for variables 

 - New Delhi  Bureau of Indian Standards  1975 
 - 27p.  
<br/><br/> IS : 816 - 1969 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Control charts -- Variables -- Indian Standards<br/>Indian Standards<br/>Methods -- Statistical quality control -- Production