For citations:
Lepeshkin N.D., Mizhurin V.V., Zajac D.V. INVESTIGATION OF THE LEVEL OF PATENTING OF SEEDING DEVICES. Mechanization and Electrification of Agriculture. 2018;(51):103-106. (In Russ.)
Lepeshkin N.D., Mizhurin V.V., Zajac D.V. INVESTIGATION OF THE LEVEL OF PATENTING OF SEEDING DEVICES. Mechanization and Electrification of Agriculture. 2018;(51):103-106. (In Russ.)