Akio Nikawa

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Hatano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for securing screw means onto metal plate and metal plate ha...
- Patent number 4,114,670
- Issue date Sep 19, 1978
- Topura Co., Ltd. (Kabushiki Kaisha Tohpura)
- Tetsuya Akashi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...