000			00375nam a2200169Ia 4500
008			240220s9999 xx 000 0 und d
041			_aENG
100			_aHradaynath R.
245		0	_aOptical workshop technology
260			_aNULL
260			_bTata Mcgraw Hill Pub. Co.
260			_c1993
300			_a400p.
365			_b240
650			_aMECHANICAL
942			_cDBK
999			_c22006 _d22006