HG

Helmut Grohmann

VM Veitscher Magnesitwerke-Actien-Gesellschaft: 1 patents #1 of 6Top 20%
Overall (1982): #59,949 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4362709 Process of preparing sinter magnesia Peter Stadler 1982-12-07