Russian standards PDF
Well portland cements. Specifications
Document status: Replaced by GOST 1581-2019
Universal tool-grinding machines. Standards of accuracy
Document status: Active
Calibrated wires for electromeasuring instruments. Specifications
Document status: Active
Rotary indexing tables of jig-boring and jig-grinding machines. Basic dimensions. Standards of accuracy
Document status: Active
Formalin for industrial use. Specifications
Document status: Replaced by GOST 1625-2016