AH

Aija- R. Halinen

KO Kemira Oy: 1 patents #20 of 84Top 25%
Overall (All Time): #3,960,318 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4775463 Process for the flotation of phosphate mineral and an agent to be used in the flotation Anders Weckman 1988-10-04