TY  - BOOK
ED  - Indian Standards Institution                                                                                                                                                                                                                                   . 
TI  - Specification for hydraulic spray nozzles for pest control equipment, IS 7417-1982 / 
U1  - 631.348 
PY  - 1982///
CY  - New Delhi : 
PB  - Indian Standards Institution , 
ER  -