-凯发平台

hea|  |00731nam0 2200253   45  
000|  |144920
001|  |97001849
005|  |970820102118.0
011|  |▼a0013-4902
092|  |▼acn▼b736c0002
100|  |▼a19920916a19419999m  y0engy0120    ba
101|0 |▼aeng
102|  |▼agbr
110|  |▼aaba    0uu0
200|10|▼aelectronic engineering
207| 0|▼av.14, no.160 (june 1941)-
210|  |▼alondon▼cmorgan-grampian ltd.
430|  |▼12001▼aelectronics and televi-
   |  |sion and short-ware world (v.1-
   |  |2, no.140-v.14, no.159 1939-41)
530|0 |▼aelectronic engineering
531|  |▼aelectron. eng.
541|1 |▼a（英）电子工程
675|  |▼a681.3
690|  |▼atn
905|  |▼a801▼b000500163788▼b000500350-
   |  |997▼b000500384343▼b000500515698▼d736