In downstream oil and gas, LPG: fulfillment of a requirement (footnote 5: ISO/IEC 17000) [Rule 3, Section 3.14, DTI Department Administrative Order No. 22-11, Series of 2022, The New Technical Regulation Concerning the Mandatory Certification of Liquefied Petroleum Gas (LPG) Pressure Vessels, Systems, Services and Ancillary Products]
