Masaki Kawada

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Hiroshima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spiral gasket having a centering spring
- Patent number 5,609,344
- Issue date Mar 11, 1997
- Yumex Corporation
- Kenji Tamaoki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...