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Application filed by Inst Budownictwa MechfiledCriticalInst Budownictwa Mech
Priority to PL27334588ApriorityCriticalpatent/PL150943B2/en
Publication of PL273345A2publicationCriticalpatent/PL273345A2/en
Publication of PL150943B2publicationCriticalpatent/PL150943B2/en