Matériel de forage des roches — Équipements pour forage percutant à filetage corde, de dimension nominale 22 mm à 38 mm
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Reference:
ISO 10207:1991
Publication Year:
1991
Specifies the basic dimensions of rope threaded drill steel equipment for percussive drilling of 8 nominal sizes. This equipment comprises mainly hexagonal shank rods, extension rods, coupling sleeves and drill bits.
32 000 F CFA
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