TY  - BOOK
ED  - Indian standards institution                                                                                                                                                                                                                                   . 
TI  - Specification for hand rotary duster part-2 shoulder mounted type  IS:5135-1977 / 
U1  - 631.348 
PY  - 1977///
CY  - New Delhi : 
PB  - Indian standards institution , 
ER  -