Diplomas and medals of the Brussels Exhibition.
Patents, inventors' certificates of different years in the name of Anatoly Fedorovich Yakovlev.
Invention - the various parts of machines and tools.
Detail the mechanism rotates.
The scheme of the planetary gear cycloidal (PCR-5).
Appliances, machinery and parts.
Experience - cutting of metals - different plans.
Calendar: 90th
Locations: Russia [1]