000			00299nam a2200133Ia 4500
008			180612s9999||||xx |||||||||||||| ||und||
041			_aen
082			_a621.8
100			_aAGARWAL,D.D.
245		0	_aMachine drawing
260			_aNew Delhi. _bVikas Pub _c1978
300			_a(1),140p.
942			_cPR
999			_c38967 _d38967