GOST 24978 1991 Edition, October 3, 1991 Copper-zinc alloys. Methods for determination of zinc
GOST 10969 1991 Edition, October 3, 1991 Brown coals and lignites. Determination of yield of toluene-soluble extract and content of acetone-soluble materials (resinous substances) in it.
GOST 14858.7 1991 Edition, October 2, 1991 Silicocalcium. Methods for the determination of aluminium
GOST 14858.4 1991 Edition, October 2, 1991 Silicocalcium. Method for the determination of silicon
GOST 14858.6 1991 Edition, October 2, 1991 Silicocalcium. Method for the determination of calcium
GOST 25581 1991 Edition, September 30, 1991 "Birds poultry, synanthropor, game and exotic. Methods of laboratory diagnostic avian influenza"
GOST 29113 1991 Edition, September 30, 1991 Mixed fooders, feeds protein and vitamin supplements carbamide concentrate. Methods of determining carbamide mass portion
GOST 12.2.013.0 1991 Edition, September 30, 1991 Occupational safety standards system. Electric hand-held tools. General safety requirements and testing methods
GOST 29111 1991 Edition, September 30, 1991 Lead-acid starter batteries. Part 1. General requirements and methods of test
GOST 12.2.013.6 1991 Edition, September 30, 1991 Occupational safety standards system. Electric hand-held tools. Specific safety requirements and methods of testing hammers and drills
GOST 12.2.013.8 1991 Edition, September 30, 1991 Occupational safety standards system. Electric hand-held tools. Particular safety requirements and shears testing methods
GOST 29105.1 1991 Edition, September 27, 1991 Original microplants made from meristems. Specifications