000 00574nam a2200241Ia 4500
003 OSt
005 20220912152537.0
006 a|||||r|||| 00| 0
007 ta
008 220909b |||||||| |||| 00| 0 eng d
024 _a42381
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aF0D65, J1
100 _aKohl W H
245 0 _cKohl W H
_aMaterials technology for electron tubes
260 _c1951
300 _ap.
_ccm.
650 _aChemical technology
942 _hF0D65, J1
_cTEXL
_2CC
999 _c88232
_d88232