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Specific Product Coverage	Philippine National Standard/s (PNS)	Enabling Law	Product Image
uPVC pipes series 5/7/8 & 10	PNS 65:1993 Unplasticized polyvinyl chloride (uPVC) pipes for potable water supply – Specification	Department Administrative Order (DAO) No. 4, Series of 1996 Mandatory PNS for various products Implementing Guidelines for Issuance of PS Quality Certification Mark License for Unplasticized polyvinyl chloride (uPVC) pipe for potable water supply Covered by PNS 65:1993 Operation Manual for the Implementation of PNS 65:1993 on Imported Unplasticized polyvinyl chloride (uPVC) pipes for potable water supply Covered by PNS 65:1993

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