TY  - BOOK
TI  - Specification for devices without moving parts for the prevention of contamination of water by backflow part 1 : specification for type A air gaps; Standards & Industrial Research Institute of Malaysia
T2  - MS 1193 : PART 1 : 1991
U1  - MS 1193 PART 1 1991 
PY  - 1991///
CY  - Shah Alam
PB  - SIRIM
KW  - Standardization
KW  - Malaysia
ER  -