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| LEADER |
00000nam a2200000 a 4500 |
| 003 |
AR-LpUBP |
| 005 |
20231114191101.0 |
| 007 |
ta |
| 008 |
111222s1949 ag g 000 0 spa d |
| 040 |
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|a AR-LpUBP
|b spa
|c AR-LpUBP
|
| 100 |
1 |
|
|a Polledo, César M.
|9 111672
|
| 245 |
1 |
0 |
|a Problemas técnicos en la contratación de obras públicas
|
| 260 |
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|c 1949.
|
| 300 |
|
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|a 19 p. ;
|c 21 cm.
|
| 500 |
|
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|a Conferencia
|
| 942 |
|
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|c BK
|
| 952 |
|
|
|0 0
|1 0
|2 udc
|4 0
|6 415MG
|7 0
|8 NFIC
|9 244508
|a DUN
|b DUN
|c FG
|d 2023-07-10
|i 000455/50
|l 0
|o 415-Mg
|p DUN000455x50
|r 2023-07-10 21:30:28
|w 2023-07-10
|y BK
|
| 999 |
|
|
|c 168043
|d 168043
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| 988 |
|
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|d CLI CLI
|
