Guyana National Bureau of Standards |  Portal 

    Standards

    Specification for poly (vinyl chloride)(PVC) plastic pipe, schedules 40, 80 and 120
    Specification for (PVC) pressure-rated pipe (SDR series)
    Specification for Compressed oxygen gas for industrial use only
    Specification for the storage, handling and transportation of LPG cylinders
    Labelling of tobacco products
    slot gacorslot gacorslot gacorSlot Online Gacorslot gacorgodam88situs slot online terpercaya