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Jurgen O. Fehler
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Waldbronn, DE
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Patent Grant
Concrete-pump assembly
Patent number
4,431,386
Issue date
Feb 14, 1984
Elba-Werk Maschinen-Gesellschaft mbH & Co.
Jurgen O. Fehler
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...