On refusal to resolve the technique of A. B. Conradation of the discovery in the estate of Prince A. P. Oldenburg "Otradnaya" of...

On refusal to resolve the technique of A. B. Conradation of the discovery in the estate of Prince A. P. Oldenburg "Otradnaya" of the Black Sea Lip.Plant for the manufacture of explosive "Roburit".July 23 - December 3 / Council of Ministers.- 1913. -24 l .. - (Council of Ministers .. Inventory inventory №9. 1913).-Finance, industry and trade.Film..I. Council of Ministers ..Electronic copy source: RGIAOriginal storage place: RGIA F.1276 op.9 d.222