Mituru Ueda

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Yamagata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrode material
- Patent number 4,725,422
- Issue date Feb 16, 1988
- Mitsubishi Petrochemical Co., Ltd.
- Mitsutaka Miyabayashi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES