Specification for devices without moving parts for the prevention of contamination of water by backflow part 2 : specification for type B air gaps; Standards & Industrial Research Institute of Malaysia. 

 - Shah Alam  SIRIM  1991. 
 - 7p.  ill.  30cm 
 - MS 1193 : PART 2 : 1991 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Standardization--Malaysia
<br/><br/><label>Dewey Class. No.: </label>MS 1193 PART 2 1991