000 00292nam a2200121Ia 4500
008 160710s1958 xx 000 0 und d
082 _a621.381 SCH
100 _aSCHURE,ALEXANDER ED.
245 _aGAS TUBES
260 _bJOHN F. RIDER PUBLISHER,INC.
_c1958
300 _a72
942 _2ddc
_cB
999 _c22633
_d22633