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u19009s1900 xxu 0||||| eng |
| 035 |
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|a 119747
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| 040 |
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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| 041 |
0 |
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|a eng
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| 082 |
0 |
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|a 620
|2 00
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| 245 |
1 |
0 |
|a Electrical communication :
|b technical journal of the International Telephone and Telegraph Corporation and Associate Companies.
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| 260 |
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|a New York, New York,
|c u1900.
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| 300 |
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|a volúmenes
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| 590 |
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|a Informacion mas completa en la sala de revistas.
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| 650 |
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|a TELEFONOS
|x PUBLICACIONES PERIODICAS
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| 650 |
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|a TELEGRAFOS
|x PUBLICACIONES PERIODICAS
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| 949 |
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|a -LM b.LM
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| 916 |
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|a Registros del LS-2000
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