Russian standards
Copper concentrates. Method for determination of iron
Document status: Replaced by GOST 32221-2013
Copper concentrates. Methods for determination of sulphur
Document status: Replaced by GOST 32221-2013
Diamond rollers for dressing of abrasive wheels. Specifications
Document status: Active
Protection of underground structures against stray current corrosion by polarized protectors. Technical requirements
Document status: Active
Diamond grinding wheels, small peripheral wheel shape A8. Dimensions
Document status: Withdrawn