000 00253nam a2200097Ia 4500
008 160710s1956 xx 000 0 und d
100 _aINSTITUTION OF MECH. AMERCIAN INST.
245 _aPRODUCT ENGINEERING
260 _bMCGRAW HILL
_c1956
942 _2ddc
_cB
999 _c31529
_d31529