Guyana National Bureau of Standards |  Portal 

    Standards

    Requirements for advertising – Part 3: Advertising of cigarettes
    Gas welding equipment — Safety devices- Part 1: Devices not incorporating a flame (flashback) arrestor
    Labelling of tobacco products
    Pesticides labelling –requirements
    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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