000			00274nam a2200121Ia 4500
008			211209s1971 xx 000 0 und d
041			_aeng
082			_a621.75 N71 BLA
100			_aBLACK P O
245			_aMACHINIST LIBRARY MACHINE SHOP
260			_c1971
300			_a502
999			_c11281 _d11281