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| LEADER |
00956nam a22001937a 4500 |
| 040 |
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|a Sistema de Bibliotecas de la Universidad de Panamá
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| 041 |
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|a spa
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| 082 |
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|a 621.38132
|b P45 CRU.Co.
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| 100 |
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|a Pettit, Joseph M
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| 245 |
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|a Circuitos de conmutación y de tiempo /
|c Joseph Pettit, Malcolm M. Mcworter coaut, Emilio N. Pacckmann versión castellana.
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| 260 |
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|a México:
|b Centro Regional de Ayuda Técnica,
|c 1973.
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| 300 |
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|a 297p.:
|b ilus.;
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| 650 |
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|a ELECTRICIDAD
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| 700 |
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|a Mcworter, Malcolm M coaut.
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| 852 |
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|a SIBIUP
|b CRU - Coclé
|j 137493
|t e.7
|
| 942 |
|
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|2 ddc
|c BK
|
| 999 |
|
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|c 175115
|d 175115
|
| 952 |
|
|
|0 0
|1 0
|2 ddc
|4 0
|6 621_381320000000000_P45_CRU_CO
|7 1
|8 CG
|9 296182
|a GBT
|b GBT
|c 10
|d 2012-03-14
|o 621.38132 P45 CRU.Co.
|p GBT12016548
|r 2012-03-14
|t e.7
|w 2012-03-14
|y BK
|
| 952 |
|
|
|0 0
|1 0
|2 ddc
|4 0
|6 621_381320000000000_P45_CRU_CO
|7 0
|8 CG
|9 382478
|a 34
|b 34
|c 17
|d 2018-10-04
|o 621.38132 P45 CRU.Co.
|p 00327194
|r 2018-10-04
|t e.1
|w 2018-10-04
|y BK
|