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Application filed by Inst Techniki BudowlanejfiledCriticalInst Techniki Budowlanej
Priority to PL20059577ApriorityCriticalpatent/PL109246B1/pl
Publication of PL200595A1publicationCriticalpatent/PL200595A1/pl
Publication of PL109246B1publicationCriticalpatent/PL109246B1/pl