IPC Subgroup
E02B 11/02 Drainage-device-laying apparatus, e.g. drainage ploughs
Introduced: September 1968
Last revised: January 2006
Full Title
Drainage of soil, e.g. for agricultural purposes > Drainage-device-laying apparatus, e.g. drainage ploughs
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
- Subclass:
- HYDRAULIC ENGINEERING
Related Keywords
drainage PLOUGHS