Koke ya Peteroli ya Semi-Graphite

Ibisobanuro bigufi:

Karuboni idahinduka: 98% 98.5% iminota
Sulfure: 0.1% 0.2% 0.5% 0.8% Ishingiro ntarengwa ry'ibyo abakiriya bakeneye


Ibisobanuro birambuye ku gicuruzwa

Ibibazo Bikunze Kubazwa

Ibirango by'ibicuruzwa

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