Tokumasa Nakamura

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Kwana, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ball screw for vacuum apparatus
- Patent number 5,782,135
- Issue date Jul 21, 1998
- NTN Corporation
- Hiromitsu Kondo
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...