000			00322cam a2200145ua 4500
041			_aeng _h
082			_a621.815 _bBHA/MA
100			_aBhatt, N D .
245			_aMachine drawing
260			_aAnand : _bCharotar publishing house , _c1986.
300			_a214 ; .
504			_a
942			_cBK
999			_c265156 _d265156