TY  - BOOK
AU  - Bureau of Indian Standards[BIS]
TI  - IS:12235-(Pt.1-11)-1986. Indian standard methods of test for unplasticized PVC pipes for portable water supplies. Pt.1-11
U1  - IS CODE 
PY  - 1991///
CY  - New Delhi
PB  - Bureau of Indian Standards
N1  - ENG
ER  -