000			00375nam a2200145Ia 4500
008			230711s9999||||xx |||||||||||||| ||und||
041			_aENG
082			_a624 _bHR-O
100			_aHardaynath R
245		0	_aOptical workshop technology
250			_a1st Ed.
260			_c1993 _aNew Delhi _bTata McGraw Hill Education Limited
650			_aMechanical Engineering
942			_cBK
999			_c2300 _d2300