ISO 1722
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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| Organization: | ISO |
| Publication Date: | 1 January 1974 |
| Status: | active |
| Page Count: | 8 |
| ICS Code (Equipment for drilling and mine excavation): | 73.100.30 |
Document History
ISO 1722
January 1, 1974
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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