Giichi Nakamura

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Osaka, JA

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Patents Grantslast 30 patents

Information Patent Grant
Completely fluidtight and frictionless shaft seal packing
- Patent number 3,945,649
- Issue date Mar 23, 1976
- Giichi Nakamura
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...