Kabushiki Kaisha Ohem Kenkyujyo

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Solar-system house
- Patent number 4,967,729
- Issue date Nov 6, 1990
- Kabushiki Kaisha Ohem Kenkyujyo
- Akio Okumura
- F24 - HEATING RANGES VENTILATING