Mmanụ kokeli Semi-graphite

Nkọwa Dị Mkpirikpi:

Kabọn edoziri: 98% 98.5% nkeji
Sọlfọ: 0.1% 0.2% 0.5% 0.8% Maxmax dabere na ihe ndị ahịa chọrọ


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Ajụjụ Ndị A Na-ajụkarị

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