(NsWOD PRIWILEGIJ(B, (NWYDANNYH W rOSSII(B... (NPO dEPARTAMENTU TORGOWLI I MANUFAKTUR NA IZOBRETENIQ I USOWER[ENSTWOWANIQ(B,(NKASA@]IESQ TEHNI^ESKOJ PROMY[LENNOSTIs ((NsANKT(B-(NpETERBURG (B:s (NoTD(B. (NPROM(B-(NSTI(B,s, 1897)
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Keywords: (NtEHNI^ESKIE NAUKI (B- (NuKAZATELI AWTORSKIH SWIDETELXSTW I PATENTOWs