Arva AG

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Ruschlikon, CH

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Patents Grantslast 30 patents

Information Patent Grant
Outlet and flow control device for metallurgical vessels
- Patent number 5,083,689
- Issue date Jan 28, 1992
- Arva AG
- Arthur Vaterlaus
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Outlet and flow control device for metallurgical vessels and process
- Patent number 5,004,130
- Issue date Apr 2, 1991
- Arva AG
- Arthur Vaterlaus
- B22 - CASTING POWDER METALLURGY