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Priority claimed from DE19641457670external-prioritypatent/DE1457670A1/en
Application filed by E ConradfiledCriticalE Conrad
Publication of DK113889BpublicationCriticalpatent/DK113889B/en
Three-point hook coupling for agricultural tractors with hydraulically or similar liftable and lowerable tow arms in their lateral distance according to patent ..... (patent application C 34704 III / 45 a)