01017nam a2200289 i 450099100098824970753620020507104813.0970307s1967 us ||| | eng b10157840-39ule_instLE00640248ExLDip.to Fisicaita53.7.8621.3.2.85621.381'512TK7835Kohl, Walter H.1123Handbook of materials and techniques for vacuum devices /Walter H. KohlNew York :Reinhold Publ. Co.,1967xiii, 623 p. :ill. ;26 cm.Includes bibliographies.Electronics-Materials.b1015784021-09-0627-06-02991000988249707536LE006 621.3.2 KOH12006000053792le006-E0.00-l- 10000.i1019140927-06-02Handbook of materials and techniques for vacuum devices187339UNISALENTOle00601-01-97ma -engus 01