TY - BOOK AU - Nehraw, Arveen TI - Design of 9-row seed cum fertilizer drill U1 - PR 631.330.222 N37D PY - 1985/// CY - Ludhiana PB - P A U KW - DRILL( AGRICULTURAL IMPLEMENT) - DESIGN AND CONSTRUCTION KW - DRILL( AGRICULTURAL IMPLEMENT) - DESIGN AN KW - FERTILIZER SPREADERS - DESIGN AND CONSTRU ER -