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 _c11278
_d11278