Shigetoshi Konagai

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Silencer for a pneumatically driven hydraulic jack
- Patent number 4,609,069
- Issue date Sep 2, 1986
- Yasui Sangyo, Ltd.
- Shigetoshi Konagai
- B66 - HOISTING LIFTING HAULING