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Application filed by Kalman Tihanyi, Jozsef KovacsfiledCriticalKalman Tihanyi
Priority to HU386291ApriorityCriticalpatent/HU209114B/en
Publication of HU913862D0publicationCriticalpatent/HU913862D0/en
Publication of HU209114BpublicationCriticalpatent/HU209114B/en
HU386291A1991-12-091991-12-09Process for the processing and recycling of waste materials with high cromium contain in leather production
HU209114B
(en)