The case of the privilege of the locksmith master Zeku for the screw invented by him for the pressing of ship goods.N. 20/VIII-1...

The case of the privilege of the locksmith master Zeku for the screw invented by him for the pressing of ship goods.N. 20/VIII-1838;V.U.27/I-1839 g ..;1838 / Department of State Economy.- 1838. -13 l .. - (Department of state savings of the State Council. Inventory No. 2. 1838).-Film..I. Department of State Economy ..Electronic copy source: RGIAOriginal storage location: RGIA f.1152 op.2 1838 d.185