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Application filed by Szilagyi LajosfiledCriticalSzilagyi Lajos
Priority to HU0004909ApriorityCriticalpatent/HUP0004909A2/hu
Publication of HU0004909D0publicationCriticalpatent/HU0004909D0/hu
Publication of HUP0004909A2publicationCriticalpatent/HUP0004909A2/hu