Yuji Narita

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Amagasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Repairing apparatus for furnace wall
- Patent number 4,649,858
- Issue date Mar 17, 1987
- Sumitomo Metal Industries, Ltd.
- Toshihiko Sakai
- F27 - FURNACES KILNS OVENS RETORTS