00895cam a2200277I 4500 14002 BD-RjUL 20211208235544.0 140203s1961 enka g b 001 0 eng d (OCoLC)03592945 (BD-RjUL)BD-RjUL DLC GAT OCL BD-RjUL eng eng fre 621.38151 18 CHP 1961 TK7872.V3.C45x 1961 Champeix, R. 43772 Physics and techniques of electron tubes / With a foreword by G. A. Boutry. Vol.1 Principles of vacuum technique. Oxford; New York: Pergamon Press, 1961 221p.: ill. 22 cm. Includes Index. Electron tubes. 42827 ddc BK t c RSC HDC 0 39080024671981 v.1 15 HDC ITEM TK7872.V3.C45x 1961 14002 14002 0 0 ddc V-1 0 1 NFIC RUCL RUCL Reading 1968-11-26 Zeitlinger 0.00 0 621.38151 CHP 1961 2014-02-03 00:00:00 C-1 2014-02-03 BK