Takeo Oki

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Coated abrasive grains and a manufacturing method therefor
- Patent number 5,230,718
- Issue date Jul 27, 1993
- Takeo Oki
- Takeo Oki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

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