Seiji Nagai

Follow

Person

Hiroshima, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for casting an inner lining amorphous refracto...
- Patent number 4,421,697
- Issue date Dec 20, 1983
- Nippon Kokan Kabushiki Kaisha
- Kiyomi Taguchi
- F27 - FURNACES KILNS OVENS RETORTS