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Acid na Alkali Nguzogide

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Acid na alkali iguzogide
site admin na 23-04-20
mkpuchi mkpuchi 1. Epoxy iko flakes.2. Ụdị mkpuchi pụrụ iche I. 3. Ụdị mkpuchi pụrụ iche II (okpomọkụ na-eguzogide 300 ℃).Ngwa Ngwa...
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