000 00267nam a2200109Ia 4500
008 160710s1956 xx 000 0 und d
100 _aAMERICAN MACHINIST
245 _aAMERICAN MACHINIST,APRIL-JUNE
260 _bMC GRAW HILL
_c1956
300 _a304
942 _2ddc
_cB
999 _c39645
_d39645