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Frank Fruengel

Overall (1989): #114,901 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4839529 Arrangement for in situ determination of quantity of turbid matter aerosol and/or dust in fluid which flows through a space 1989-06-13