Siegfried Hoffmann

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Leichlingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic control apparatus for load independent flow regulation
- Patent number 4,355,655
- Issue date Oct 26, 1982
- Barmag Barmer Maschinenfabrik
- Siegfried Hertell
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL