000 00276nam a2200121Ia 4500
008 160710s1968 xx 000 0 und d
082 _a621.692 DEN
100 _aDENNIS,N.T.M.
245 _aVACUUM SYSTEM DESIGN
260 _bCHAPMAN
_c1968
300 _a223
942 _2ddc
_cB
999 _c38987
_d38987