Russian standards
Industrial purity. Filtering materials. Specifications
Document status: Active
Urea for industrial use. Determination of alkalinity. Titrimetric method
Document status: Cancelled
Urea for industrial use. Determination of colourity of formaldehyde solution in Hasen`s units (platinum - cobalt scale)
Document status: Cancelled
Shark`s fins (dried). Specifications for export products
Document status: Active