TY  - BOOK
AU  - Laxman Prasad
AU  - Mishra, Vinod Kumar
TI  - Upyogee Vastuon Ke Aavishkar 
SN  - 9788188266173
U1  - 609 
PY  - 2006///
CY  - New Delhi
PB  - Pratibha Pratishtan 
KW  - Inventions
KW  - Inventions Importent Things
KW  - Gen
ER  -