Sakari Riihmaki

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Vantaa, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing alkali metal phosphate
- Patent number 5,443,808
- Issue date Aug 22, 1995
- Kemira Oy
- Stig-Goran A. Weckman
- C05 - FERTILISERS MANUFACTURE THEREOF