Takashi Morii

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for ultrasonic testing of the surface of colum...
- Patent number 6,446,509
- Issue date Sep 10, 2002
- Kawasaki Steel Corporation
- Hajime Takada
- B24 - GRINDING POLISHING
Information Patent Grant
Method and apparatus for ultrasonic testing of the surface of colum...
- Patent number 6,341,525
- Issue date Jan 29, 2002
- Kawasaki Steel Corporation
- Hajime Takada
- B24 - GRINDING POLISHING