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Application filed by Inst Techniki BudowlanejfiledCriticalInst Techniki Budowlanej
Priority to PL19792477ApriorityCriticalpatent/PL110116B1/pl
Publication of PL197924A1publicationCriticalpatent/PL197924A1/pl
Publication of PL110116B1publicationCriticalpatent/PL110116B1/pl