Herbert Koeppen

Follow

Person

Berqheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method of determining mining progress in open cast mining by means...
- Patent number 5,144,317
- Issue date Sep 1, 1992
- Rheinbraun Aktiengesellschaft
- Herbert Duddek
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING