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ISO 1722:1974 (R2017)

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ISO 1722:1974 (R2017)

Rock drilling — Extension drill-steel equipment for percussive long-hole drilling — Reverse-buttress-threaded equipments 1 1/2 to 2 1/2 in (38 to 64 mm)

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$16.00

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$40.00

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Author ISO/TC 82 Mining
Editor ISO
Document type Standard
Format Paper
Confirmation date 2017-08-29
Edition 1
ICS 73.100.30 : Equipment for drilling and mine excavation
Number of pages 6
Weight(kg.) 0.4000
Year 1970
Country Switzerland