GOST R 50349-1992 Dental rotary instruments. Nominal sizes and designation
GOST R 50350.1-1992 Dental rotary instruments. Number coding system. Part 1. General characteristics
GOST R 50351.1-1992 Dental root-canal instruments. Part 1. Files reamers, barbed broaches, rasps, paste carriers, explorers and cotton broaches
GOST R 50350.2-1992 history
1992GOST R 50350.2-1992 Dental rotary instruments. Number coding system. Part 2. Shape and specific characteristics
GOST R 50350.2-1992 Dental rotary instruments. Number coding system. Part 2. Shape and specific characteristics was changed to GOST R ISO 6360-2-2012 Dentistry. Number coding system for rotary instruments. Part 2. Shapes.