Hisashi Miyagawa

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Takaishi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Treatment of water vapor generated in concentrating an aqueous urea...
- Patent number 4,207,256
- Issue date Jun 10, 1980
- Mitsui Toatsu Chemicals, Incorporated
- Shigeru Inoue
- C07 - ORGANIC CHEMISTRY