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041122s1948 xxuad g 000 0 eng d |
| 040 |
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|a AR-LpUBP
|b spa
|c AR-LpUBP
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| 100 |
1 |
|
|a Spangerberg, Karl R.
|9 62230
|
| 245 |
1 |
0 |
|a Vacuum Tubes
|
| 260 |
|
|
|a New York :
|b McGraw-Hill Book Co.,
|c 1948.
|
| 300 |
|
|
|a xvii, 860 p. :
|b il.; gráfs. ;
|c 24 cm.
|
| 490 |
0 |
|
|a Electrical and electronic engineering ser.
|
| 500 |
|
|
|a Apéndice pp. 811-828 Notas bibliográficas al pie de página
|
| 650 |
|
4 |
|a BOMBAS DE VACÍO
|9 62231
|
| 942 |
|
|
|c BK
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| 952 |
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|6 MG03102
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| 999 |
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|c 75144
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| 988 |
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|d CLI CLI
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