Rikio Takeshima

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Workpiece charger for heating furnace
- Patent number 4,669,939
- Issue date Jun 2, 1987
- Chugai Ro Co., Ltd.
- Saburo Harada
- F27 - FURNACES KILNS OVENS RETORTS