Jun Tazawa

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Niigata-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Air cleaner having vanes with a winglike cross-section between a sh...
- Patent number 6,156,090
- Issue date Dec 5, 2000
- Hitachi, Ltd.
- Tominori Ishikawa
- F24 - HEATING RANGES VENTILATING