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Application filed by Stefan DyrskifiledCriticalStefan Dyrski
Priority to PL31293196ApriorityCriticalpatent/PL312931A3/en
Publication of PL312931A3publicationCriticalpatent/PL312931A3/en
PL31293196A1996-02-261996-02-26Method of leading aeroplanes and helicopter down onto ground in any phase of their fight and at any locality
PL312931A3
(en)