The case of the issuance of a 10-year privilege to Major Guryev for the method of preparing cardboard paper for roofs in the roo...

The case of the issuance of a 10-year privilege to Major Guryev for the method of preparing cardboard paper for roofs in the roofs invented.N. 2/XII-1848;V.U.26/I-1849;1848 / Department of State Economy.- 1848. -15 liters .. - (Department of state savings of the State Council. Inventory No. 3. 1848).-Film..I. Department of State Economy ..Electronic copy source: RGIAOriginal storage location: RGIA f.1152 op.3 1848 d.190