Ingvar Bruhn

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Hoor, SE

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Patents Grantslast 30 patents

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Method for reducing the piston speed, especially in the piston and...
- Patent number 4,896,582
- Issue date Jan 30, 1990
- Akermans Verkstad AB
- Lars O. Tordenmalm
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING