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Application filed by Hagenuk Vormals Neufeldt A UhnfiledCriticalHagenuk Vormals Neufeldt A Uhn
Priority to BE609791ApriorityCriticalpatent/BE609791A/fr
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Werkwijze ter bereiding van 4-hydroxy 3-(1'-thienyl) alkylcumarienderivaten, werkwijze ter bereiding van preparaten ter bestrijding van schadelijke zoogdieren, die deze verbindingen bevatten, alsmede de verkregen gevormde preparaten.