Hideo Yanagi

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Kashiwa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing a fused cast refractory
- Patent number 4,943,398
- Issue date Jul 24, 1990
- Toshiba Monofrax Co., Ltd.
- Shigeo Endo
- B28 - WORKING CEMENT, CLAY, OR STONE