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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
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