GOST 31689-2012

Granulated and refined sugar. Acceptance rules and sampling methods

Polished diamonds. Classification. Requirements for sorting and grading

Laboratory medicine. Requirements for the competence of calibration laboratories using reference measurement procedures

Railway multiple units. Durability and dynamics requirements

Auxiliary electric networks for railway traction substations, transformer substations and power supply linear devices. Technical requirements, design rules, electric calculation methods

Glass jars for canned food. General specifications