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00717nam a2200217 a 4500 |
| 001 |
38793 |
| 003 |
AR-LpUBP |
| 005 |
20250704184907.0 |
| 007 |
ta |
| 008 |
111122s1945 ag g 000 0 spa 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 Mc Loughlin, Rogelio P.
|9 34789
|
| 245 |
1 |
0 |
|a Patrón de frecuencia para uso en alta y baja frecuencia
|
| 260 |
|
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|a Buenos Aires :
|b Comisión Nacional de Cultura ;
|b Guillermo Kraft,
|c 1945.
|
| 300 |
|
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|a 75 p. ;
|c 22 cm.
|
| 500 |
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|a Donación
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| 942 |
|
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|c BK
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| 952 |
|
|
|0 0
|1 0
|2 udc
|4 0
|6 141MB
|7 0
|9 57681
|a DUN
|b DUN
|c FG
|d 2023-07-10
|i 005774/
|l 0
|o 141-Mb
|p DUN005774x
|r 2023-07-10 20:30:13
|w 2023-07-10
|y BK
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| 999 |
|
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|c 38793
|d 38793
|
| 988 |
|
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|c 34
|d Miguel Kiperszmid
|
| 997 |
|
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|z a
|