000			00317nam a2200133Ia 4500
008			211209s1977 xx 000 0 und d
041			_aeng
082			_a621.81 BHA
100			_aBHATT N D
245			_aMACHINE DRAWING
250			_a4TH EDN ed.
260			_aNEW DELHI _bCHAROTAR BOOK STALL _c1977
300			_a210
999			_c101882 _d101882