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Application filed by Inst Budownictwa MechfiledCriticalInst Budownictwa Mech
Priority to PL19984377ApriorityCriticalpatent/PL104641B1/pl
Publication of PL199843A1publicationCriticalpatent/PL199843A1/pl
Publication of PL104641B1publicationCriticalpatent/PL104641B1/pl