Russian standards
Measuring means for hydrogeological field research. Types. Main parameters. General requirements
Document status: Active
Niobium pentoxide. Ionometry method for determination of fluor content
Document status: Active
Bauxite. Methods for determination of silica dioxide content
Document status: Active
Heading machines having cutter heads mounted on booms. Basic parameters and dimensions. General technical requirements
Document status: Withdrawn
Goods of household chemistry. Method for determination of efficiency of rust removal from solid surface
Document status: Active