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Application filed by Inst Budownictwa MechfiledCriticalInst Budownictwa Mech
Priority to PL23476982ApriorityCriticalpatent/PL137000B1/en
Publication of PL234769A1publicationCriticalpatent/PL234769A1/en
Publication of PL137000B1publicationCriticalpatent/PL137000B1/en