Specification for devices without moving parts for the prevention of contamination of water by backflow 

 - Shah Alam  Institut Standard dan Penyelidikan Perindustrian Malaysia  [n.d] 
 - 7 p. :  ill. ;  29 cm. 
 - Malaysian Standard; MS 1193 : Part 2 : 1991 .
<br/><br/>Part 1 : Specification for type A air gaps, Part 2 : Specification for type B air gaps 
<br/><br/><label>ISBN: </label> RM10.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cross-connections (Plumbing)