Matsumi Hirao

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Sanda-shi, Hyogo-ken, JP

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Patents Grantslast 30 patents

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Surface-treating agent for high-temperature refractory material and...
- Patent number 5,681,383
- Issue date Oct 28, 1997
- Takeshi Andoh
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES