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
    Quality management systems – Guidelines for performance improvements
    Specification for the storage, handling and transportation of LPG cylinders
    Information and Documentation – Record Management -Part 2: Guidelines
    Guidelines for interpretation of ISO 9000 series for application within the iron industry
    link slot gacor terbaru hari inigodam88Slot Receh Gampang Menang Pragmatic ᐈ Situs Gacor 【Godam】™ ProfesionalGodam 77 > Web Bandar Taruhan Online Tautan Slot Bet Normal Di Kenal #1 AsiaGodam: Agen Link Slot Gacor Online Terbaru Situs Resmi Slot777 Hari Inisitus slot online terpercaya