ISO 722
Rock Drilling Equipment - Hollow Drill Steels in Bar Form, Hexagonal and Round
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| Organization: | ISO |
| Publication Date: | 1 January 1991 |
| Status: | active |
| Page Count: | 4 |
| ICS Code (Equipment for drilling and mine excavation): | 73.100.30 |
| ICS Code (Steel bars and rods): | 77.140.60 |
Document History
ISO 722
January 1, 1991
Rock Drilling Equipment - Hollow Drill Steels in Bar Form, Hexagonal and Round
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