Indian Standard : open-jaw wrenches (spanners) -- specification  general metallurgy, heat treatment and testing 

 - New Delhi  Bureau of Indian Standards  1998 
 - 8p.  
<br/><br/> IS 2028 : 1998 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Glossary -- Heat treatment<br/>Glossary -- Metallurgy<br/>Indian Standard