Hirofumi Shigenobu

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Singapore, SG

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Patents Grantslast 30 patents

Information Patent Grant
Ball bearing with seal
- Patent number 5,333,957
- Issue date Aug 2, 1994
- Minebea Kabushiki-Kaisha
- Kee K. Yip
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...