000 00580cam a22002177a 4500
001 002941
003 armpuni
005 20160923152113.0
008 160923s1952####xx#a##########000#0#und#d
040 _aarmpuni
_carmpuni
041 _aen
080 _a621.385
100 1 _aHenney, Keith
245 1 0 _aElectron tubes in industry /
_cKeith Henney, James D. Fahnestock
250 _a3th. ed.
260 _aNew York :
_bMcGraw-Hill Book Company, Inc.,
_c1952
300 _a353 p.;
_c23,5 cm.
700 1 _aFahnestock, James D.
942 _cLB
_2cdu
945 _aInfor
_d1980-10-23
999 _c2940
_d4115