Guyana National Bureau of Standards |  Portal 

    Standards

    Requirements for advertising – Part 3: Advertising of cigarettes
    Steel and iron castings — Magnetic particle testing
    Steel and iron castings — Liquid penetrant testing
    Specification for Urea, fertilizer grade
    Specification for Urea, fertilizer grade
    Specification for achar, amchar and kuchela
    Labelling of tobacco products
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