Indian standard dimensions for forged end type rigid couplings 
Indian Standards Institution 
 - New Delhi  Indian Standards Institution  1966 
 - 6p. 
<br/><br/> IS 3653 : 1966 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Rigid couplings - standards<br/> Standards <br/>NASA thesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>083.7:621.825  / ISI