RD

Ralf K. E. Petersson, deceased

📍 Bergsjö, SE: #1 of 1 inventorsTop 100%
Overall (1982): #37,491 of 81,411Top 50%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4345881 Close-off valve for suction pipes in hydraulic pumps by Stephan Vejdemo, executor 1982-08-24