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Normas internacionales

  • normas-internacionalesEnvironmental Protection Agency (EPA)
  • American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE)
  • Occupational Safety and Health Administration (OSHA)
  • ANSI/ASME
  • American Petroleum Institute (API)
  • National Fire Protection Association (NFPA)
  • American Society for Testing and Materials (ASTM)