HO

Han-Yong Oei

MA Metallgesellschaft Ag: 1 patents #14 of 63Top 25%
Overall (1989): #108,000 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4824490 Process of producing phosphate coatings on metals Gunter Siemund, Rudolf Vey 1989-04-25