On the organization in St. Petersburg IX International Congress on Applied Chemistry.April 2, 1912 - July 12, 1914

On the organization in St. Petersburg IX International Congress on Applied Chemistry.April 2, 1912 - July 12, 1914, the Council of Ministers.- 1912. -35 l .. - (Council of Ministers .. Inventory Inventory No. 8. 1912.).-Science and education.Film..I. Council of Ministers ..Electronic copy source: RGIAOriginal storage location: RGIA F.1276 op.8d d.510