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Bibikely fandavahana misy IADC127 7 7/8 santimetatra (200mm)
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Bits tricone fihenam-bidy IADC127 9 5/8” (244.5mm)
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Loha mihodina ho an'ny fitaovana IADC127 9 7/8” (250.8mm)
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Bibikely mihodinkodina kônina 3 IADC127 11 5/8” (295mm)
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Bibikely fandavahana lavadrano lalina IADC127 12 1/4” (311mm)
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Bibikely fandavahana lavadrano namboarina manokana IADC127 14 3/4” (374mm)
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Bits tricone ambongadiny IADC127 17.5 santimetatra (444.5mm)