Seiwa Ltd.

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rotary heat exchange apparatus provided with a spherically coiled h...
- Patent number 4,377,202
- Issue date Mar 22, 1983
- Fuji Kosan Kabushiki Kaisha
- Nobunosuke Nakamura
- F28 - HEAT EXCHANGE IN GENERAL