Gunnar Hannestad

Follow

Person

Skedsmokorset, NO

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for liquid-liquid countercurrent extraction
- Patent number 3,997,445
- Issue date Dec 14, 1976
- Forskningsgruppe For Sjeldne, Jordarter
- Gunnar Hannestad
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL