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ppr ọkpọkọ pn20
Ịghọta nkọwapụta ọkpọkọ PPR
I. Mmalite nke PPR mmiri ọkpọkọ PPR (polypropylene copolymerized random) ọkpọkọ bụ ụdị ọhụrụ ọkpọkọ rọba na gburugburu ebe obibi, ya na elu okpomọkụ iguzogide, iguzogide corrosion, ogologo ndu (ihe karịrị 50…