GOST R 12.2.143-2002 Occupational safety standards system. Photoluminescent evacuation systems. Elements of systems. Classification. General technical requirements. Methods of tests / Note: To be replaced by GOST R 12.2.143 (2009).
2009GOST R 12.2.143-2009 Occupational safety standards systems. Photoluminescent evacuation systems. Requirements and methods of test
2002GOST R 12.2.143-2002 Occupational safety standards system. Photoluminescent evacuation systems. Elements of systems. Classification. General technical requirements. Methods of tests / Note: To be replaced by GOST R 12.2.143 (2009).