Martin Gr/o/ nlund

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V/a/ ster.ang.s, SE

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Patents Grantslast 30 patents

Information Patent Grant
Damping device in a bogie for a railbound vehicle
- Patent number 4,771,704
- Issue date Sep 20, 1988
- Asea Aktiebolag
- Martin Gronlund
- B61 - RAILWAYS
Information Patent Grant
Rail-bound vehicles provided with electric current collectors
- Patent number 4,471,175
- Issue date Sep 11, 1984
- Asea Aktiebolag
- Martin Gr/o/ nlund
- B60 - VEHICLES IN GENERAL