Hakan Johansson

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Sundbyberg, SE

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Patents Grantslast 30 patents

Information Patent Grant
Fluid pressure relief valve with variable opening pressure
- Patent number 6,044,849
- Issue date Apr 4, 2000
- Siemens-Elema AB
- Goran Cewers
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...