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00770nam a2200217 a 4500 |
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AR-LpUBP |
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20231114183638.0 |
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ta |
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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 |
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|a Spangerberg, Karl R.
|9 62230
|
| 245 |
1 |
0 |
|a Vacuum Tubes
|
| 260 |
|
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|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
|
| 952 |
|
|
|0 0
|1 0
|2 udc
|4 0
|6 MG03102
|7 0
|9 106155
|a DUN
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|c FG
|d 2023-07-10
|i 455673
|l 0
|o Mg-03102
|p DUN455673
|r 2023-07-10 20:46:30
|w 2023-07-10
|y BK
|
| 999 |
|
|
|c 75144
|d 75144
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| 988 |
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|d CLI CLI
|