Indian standard code of practice for laying of asbestos cement pressure pipes 
Indian Standards Institution 
 - New Delhi  Indian Standards Institution  1972 
 - 19p. 
<br/><br/> IS 6530 : 1972 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Septic Tanks <br/> Sewave Works<br/> Standards <br/>NASA Thesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>083.7:621.643.2  / ISI