Masumi Sagi

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Iwaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Flexible carbon material
- Patent number 4,759,977
- Issue date Jul 26, 1988
- Kureha Kagaku Kogyo Kabushiki Kaisha
- Hiroyuki Fukuda
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES