Inventions. (1990 - 1999)
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Scene №1 Inventions
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.