Yukio Koyama

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Nagasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for bonding adhesive rubber tape to both edges of a steel...
- Patent number 5,004,516
- Issue date Apr 2, 1991
- Mitsubishi Jukogyo Kabushiki Kaisha
- Yukihiro Koga
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL