Guyana National Bureau of Standards |  Portal 

    Standards

    Code of safety for chemical laboratories
    Code of Safety for Chemical laboratories
    General requirements for the operation of a laboratory
    Specification for Compressed oxygen gas
    Specification for Compressed oxygen gas for industrial use only
    Television receiver and high voltage video products
    Electrical Insulating Tape
    Specification for PVC - insulated cables for electricity supply
    Fluorescent lighting fixtures
    General requirements for the competence of testing and calibration Laboratories
    slot gacor terbaik hari inisbobetslot gacorslot gacorslot gacorSlot Online Gacorslot gacorgodam88situs slot online terpercaya