On the resolution of the honorable citizen I. P. Khakhalin and engineer-mechanic A. V. Bulgakov Ozochlorite production on about....

On the resolution of the honorable citizen I. P. Khakhalin and engineer-mechanic A. V. Bulgakov Ozochlorite production on about.Chelelen.August 31 / Council of Ministers.- 1913. -5 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.237