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Publication of BE459669ApublicationCriticalpatent/BE459669A/fr
Priority claimed from GB1562543Aexternal-prioritypatent/GB572397A/en
Priority claimed from GB14769/45Aexternal-prioritypatent/GB572404A/en
Soc pour lame de travail du sol raccordable en particulier a un chassis porte-lames devant etre attele a un vehicule tracteur, ainsi qu'une lame equipee d'un tel soc