GOST 7661-67

Occupational safety standards system. Respiratory protective devices for self­rescue. Filtering devices with hood for escape from fire. Requirements, testing, marking

Safety in emergencies. Method of external gamma rays absorbed dose determination by thermo luminescence of quartz extracted from building ceramics. The order of carrying out measurements

Thermal insulating products in building applications. Method for determination of freeze-thaw resistance

Sealing devices for fixed edge joints. Construction and dimensions

Milk and milk products. Method of sampling from trade and delivery of samples to the laboratory

Quartz sand, ground sandstone, quartzite and veiny quartz for glass industry. Heavy minerals determination method