Toko Hashimoto

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Nagato, JP

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Patents Grantslast 30 patents

Information Patent Grant
Building air conditioning system using geothermal energy
- Patent number 6,293,120
- Issue date Sep 25, 2001
- Kabushiki Kaisha Toko Kogyo
- Toko Hashimoto
- F24 - HEATING RANGES VENTILATING