Indian standard specification for vitreous sanitary appliances (vitreous China)  pt. 13, specific requirements of traps for squating pans 
Indian Standards Institution 
 - New Delhi  Indian Standards Institution  1973 
 - 8p. 
<br/><br/> IS 2556 : Part 13 : 1973 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Sanitary Appliances<br/> Standards <br/>NASA Thesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>083.7:696.141.18  / ISI