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sklademVydáno: 1985-06-15
UNE 22662:1985
Rock drilling — Extension drill-steel equipment for percussive long-hole drilling — Rope-threaded equipments 7/8 to 1 1/4 in (22 to 32 mm)
Perforación de rocas. Equipos para perforación por percusión con rosca soga de 22 mm a 32 mm.
Měna
| Označení normy: | UNE 22662:1985 |
| Počet stran: | 12 |
| Vydáno: | 1985-06-15 |
Popis
This standard UNE 22662:1985 Rock drilling — Extension drill-steel equipment for percussive long-hole drilling — Rope-threaded equipments 7/8 to 1 1/4 in (22 to 32 mm) is classified in these ICS categories:
- 73.100.30
: