| Title | A company involved in development |
| Publication Type | Audiovisual |
| Year of Publication | 1989 |
| Authors | Ingre, FRVergnet - |
| Pagination | Video (15 min.) + video (25 min.) : VHS |
| Date Published | 1989-01-01 |
| Publisher | Vergnet SA |
| Place Published | Ingre, France |
| Keywords | hand pumps, maintenance, operation, vergnet pumps |
| Custom 1 | 232.2 |
