Akio Isogai

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
High temperature sliding element and method for preventing high tem...
- Patent number 4,902,576
- Issue date Feb 20, 1990
- Kabushiki Kaisha Toyoto Chuo Kenkyusho
- Yoshio Shimura
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES