Jiro Yamasaki

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Oita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ceiling beam construction for heating furnace
- Patent number 4,421,480
- Issue date Dec 20, 1983
- Chugai Ro Kogyo Co., Ltd.
- Tetsuya Tokitsu
- F27 - FURNACES KILNS OVENS RETORTS