GOST 25229-82

Occupational safety standards system. Personal respiratory protective means. Self-contained open-circuit compressed air breathing apparatus incorporating a hood for escape. Technical requirements. Test methods. Marking

Benzene hydrocarbons and allied products. Method of determination of water layer height in tank

Welding. Laser-arc hybrid welding of steels, nickel and nickel alloys. Quality levels for imperfections

Medical devices. Validation and routine control of ethylene oxide sterilization

Square throw-away (indexable) carbide cutting inserts with cylindrical holes and chip-breaking flutes on both faces. Design and dimensions

State system for ensuring the uniformity of measurements. Gas meters. Verification methods and means