000 00241nam a2200097Ia 4500
008 160710s1950 xx 000 0 und d
100 _aMEGRAW-HILL PUB CO
245 _aPRODUCT ENGINEERING JAN TO APRIL 1950
260 _c1950
942 _2ddc
_cB
999 _c18643
_d18643