000 00279nam a2200121Ia 4500
008 160710s1970 xx 000 0 und d
082 _a621.9 FEN
100 _aFENNEER,R.T.
245 _aEXTRUDER SCREW DESIGN
260 _bBUTTERWORTHS
_c1970
300 _a281
942 _2ddc
_cB
999 _c41153
_d41153