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              Occupation safety standards system Electrical equipment. General safety requirements | 
              Degrees of protection provided by enclosures (IP Code) | 
              Electrical articles. General requirements for environmental climatic aspects stability | 
        
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              Electrical articles. Applications for different climatic regions. General technical requirements as to environment climatic aspects influence | 
              Electrical articles for tropical application. General technical requirements and methods of testing | 
              Electrical articles. Test methods as to environments climatic factors resistance | 
        
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              Electronic and electrical equipment. Mechanical and climatic influence. Requirements and test methods | 
              Electrical articles for the cold climate regions. Technical requirements, acceptance and test methods | 
        
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              Electrical articles. General requirement for environment mechanical stability | 
              Electrical articles. Operating conditions as to environment mechanical aspects influence | 
              Electrotechnical articles |