Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inst Budownictwa MechfiledCriticalInst Budownictwa Mech
Priority to PL24761784ApriorityCriticalpatent/PL137168B2/en
Publication of PL247617A2publicationCriticalpatent/PL247617A2/en
Publication of PL137168B2publicationCriticalpatent/PL137168B2/en