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| LEADER |
00623nam a2200181 a 4500 |
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147787 |
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AR-LpUBP |
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20250704195725.0 |
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ta |
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111101s1960 ag g 000 0 spa d |
| 040 |
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|a AR-LpUBP
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| 245 |
1 |
0 |
|a Normas para la ejecución de los estudios geológicos-mineros a realizarse por la dirección nacional o por contratistas
|
| 260 |
|
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|a Buenos Aires,
|c 1960.
|
| 942 |
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|c BK
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| 952 |
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|y BK
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| 999 |
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| 988 |
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|c 34
|d Miguel Kiperszmid
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| 997 |
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|z a
|