Data Search of Major Classification
| Major Class | Parent | Descriptor | Acronym | Synonym | Chinese Descriptor | Spanish Descriptor | Reference | Definition |
| Product | Twin Screw Pump | 双缸螺杆泵 | La bomba de doble tornillo |
| Major Class | Parent | Descriptor | Acronym | Synonym | Chinese Descriptor | Spanish Descriptor | Reference | Definition |
| None defined at this time . . . | ||||||||