GOST 27422-87

Plastics pipes and fittings. Equipment for fusion jointing polyethylene systems. Part 4. Traceability coding

Raw natural rubber. Determination of dirt content

Occupational safety standards system. Respiratory protective devices. Compressed air line supply breathing apparatus. Part 1. Apparatus with a full face mask. Technical requirements. Test methods. Marking

Safety in emergencies. Emergency rescue operations in the aftermath of earthquakes. General requirements

Dental root-canal instruments. Part 1. Files reamers, barbed broaches, rasps, paste carriers, explorers and cotton broaches

Medical devices. Requirements for samples and documentation presented for toxicological tests, sanitary and chemical analyses, tests for sterility and pyrogenicity