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01041nam a2200241 a 4500 |
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72112 |
| 003 |
AR-LpUBP |
| 005 |
20250704191033.0 |
| 007 |
ta |
| 008 |
120628s1971 mx a g 000 0 spa d |
| 040 |
|
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|a AR-LpUBP
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|c AR-LpUBP
|
| 110 |
2 |
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|a U. S. Department of Commerce
|9 59307
|
| 245 |
1 |
0 |
|a Preguntas y respuestas acerca de Patentes: respuestas a preguntas que a menudo se hacen acerca de las patentes
|
| 260 |
|
|
|a México :
|b Centro regional de ayuda técnica. Agencia para el desarrollo internacional,
|c 1971.
|
| 300 |
|
|
|a 14 p. :
|b il. ;
|c 23 cm.
|
| 500 |
|
|
|a Traducción de Questions and Answers about Patents
|
| 650 |
|
4 |
|a PATENTES DE INVENCIËN-U.S.
|9 59311
|
| 942 |
|
|
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| 952 |
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|9 102036
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| 999 |
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|c 72112
|d 72112
|
| 988 |
|
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|c 34
|d Miguel Kiperszmid
|
| 997 |
|
|
|z a
|