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00980nam a2200241 a 4500 |
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72111 |
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AR-LpUBP |
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20250704191033.0 |
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ta |
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120628s1971 mx g 000 0 spa d |
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| 110 |
2 |
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|a U. S. Department of Commerce
|9 59307
|
| 245 |
1 |
0 |
|a Información general relacionada con Patentes
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| 260 |
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|a México :
|b Centro regional de ayuda técnica. Agencia para el desarrollo internacional,
|c 1971.
|
| 300 |
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|a 47 p. ;
|c 23 cm.
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| 500 |
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|a Es traducción de General Information Concerning Patents
|
| 650 |
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4 |
|a PATENTES DE INVENCION-LEGISLACION
|9 59310
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| 942 |
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