Clasificación Internacional de Patentes /
| Corporate Authors: | , |
|---|---|
| Format: | Book |
| Language: | Spanish |
| Published: |
Madrid :
El Registro,
1980.
|
| Edition: | 3. edición -- |
| Subjects: |
| Corporate Authors: | , |
|---|---|
| Format: | Book |
| Language: | Spanish |
| Published: |
Madrid :
El Registro,
1980.
|
| Edition: | 3. edición -- |
| Subjects: |