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Application filed by B HeggdalfiledCriticalB Heggdal
Priority to NO122868ApriorityCriticalpatent/NO118509B/no
Publication of NO118509BpublicationCriticalpatent/NO118509B/no
Dispositif de relèvement, au moyen de ressorts à boudin basculants, du châssis porte-socs pivotant autour d'une traverse antérieure et coulissant latéralement le long de cette traverse dans les piocheuses ou houes mécaniques