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Horst Luhmer
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Kaarst, DE
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last 30 patents
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Patent Grant
Electrohydraulic, two-stage, proportional displacement valve
Patent number
4,545,409
Issue date
Oct 8, 1985
Integral Hydraulik & Co.
Horst Luhmer
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL