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| LEADER |
00000nam a2200000 a 4500 |
| 003 |
AR-LpUBP |
| 005 |
20231114185936.0 |
| 007 |
ta |
| 008 |
080626s1939 sw g 000 0 fra d |
| 040 |
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|a AR-LpUBP
|b spa
|c AR-LpUBP
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| 110 |
2 |
|
|a Conferencia Internacional del trabajo, 25. Ginebra, 1939
|9 97895
|
| 245 |
1 |
0 |
|a Reducción de la duración del trabajo en las minas de carbón. Sexta cuestión del orden del día
|
| 260 |
|
|
|a Ginebra :
|b Oficina Internacional del Trabajo (OIT),
|c 1939.
|
| 300 |
|
|
|a 41 p. ;
|c 18 cm.
|
| 490 |
0 |
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|a Informe ;
|v 6
|
| 942 |
|
|
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| 952 |
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|c 139720
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| 988 |
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|d CLI CLI
|
