Osamu Nakano

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Air duct and paper therefor
- Patent number 5,325,893
- Issue date Jul 5, 1994
- Tokushu Paper Mfg. Co., Ltd.
- Akinobu Takagi
- F24 - HEATING RANGES VENTILATING