Shinpei Nonaka

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing molded articles of high-purity alumina fibers
- Patent number 5,320,791
- Issue date Jun 14, 1994
- Mitsui Mining Company, Limited
- Yoshiaki Saitou
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING