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900802t1948 ||| 00 0 eng d |
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|a AR-SjUIP
|c AR-SjUIP
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| 900 |
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|a Proyecto Huarpe
|b 6699
|c 6699
|d Proyecto Huarpe
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| 245 |
1 |
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|a Vacuum Tubes /
|c Karl R. Spangenberg.
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| 260 |
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|a New York :
|b McGraw-Hill,
|c 1948.
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| 500 |
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|a .
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| 080 |
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|a 621.385
|2 3 abrev. esp
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| 650 |
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7 |
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| 100 |
1 |
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|a Spangenberg, Karl R.
|9 146746
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| 490 |
1 |
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|a McGraw-Hill Electrical and Electronic Engineering Series.
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| 830 |
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0 |
|a McGraw-Hill Electrical and Electronic Engineering Series.
|9 145575
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| 300 |
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|a xvii, 860 p. ;
|c 23 cm.
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| 504 |
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| 942 |
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|2 udc
|c LIB
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| 999 |
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|c 133847
|d 133847
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