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Pibell Ddi-dor API 5CT ar gyfer prosiect petroliwm
Pibell casio ffynnon olew a nwy
API 5CT J55, K55, N80-1 -
Pibell ddur ddi-dor API 5L a Phiblinell
Piblinell ddi-dor olew a nwy API 5L
PSL1, PSL2 GR.B, X42, X46, X52, X56, X60
Pibell casio ffynnon olew a nwy
API 5CT J55, K55, N80-1
Piblinell ddi-dor olew a nwy API 5L
PSL1, PSL2 GR.B, X42, X46, X52, X56, X60