nasal itucha Ⅱ

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Ngwaahịa Patent


Nkọwapụta Ngwaahịa

Ajụjụ

Ntanetị Ngwaahịa

Ngwa ahịa patent
Ndị na-ahụ maka ọgwụ : ndị na-agbanwe agbanwe ma na-adịgide adịgide, na-agbanwe agbanwe ma na-egbochi nrụgide.
A na-eji ihe ndị eji emepụta polymer eme ihe. Ike di elu, ihe siri ike di nma, Acid na Alkali guzogide.
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