Guyana National Bureau of Standards |  Portal 

    Standards

    Code of Practice for Quality management in the restaurant service
    Food safety — Part 1: Requirements for bodies providing audit and certification of food safety management systems
    GYS IEC 61850-7-4 : 2003 Communication networks and systems in substations - Part 7-4: Basic communication structure for substation and feeder equipment - Compatible logical node classes and data classes
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