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sklademVydáno: 1985-04-15
UNE 22665:1985
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)
Perforación de rocas. Equipos para perforación por percusión. Equipos con rosca de apoyo inverso de 38 a 64 mm (1 1/2 pulgadas a 2 1/2 pulgadas).
CURRENCY
| Označení normy: | UNE 22665:1985 |
| Počet stran: | 8 |
| Vydáno: | 1985-04-15 |
DESCRIPTION
This standard UNE 22665:1985 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) is classified in these ICS categories:
- 73.100.30
Categories: