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sklademVydáno: 1985-04-15
UNE 22660:1985
Rock drilling — Rotary drill-rods and rotary drill-bits for dry drilling — Connecting dimensions
Perforación de rocas. Barrenas y bocas rotativas de perforación en seco. Medidas de acoplamiento.
Měna
| Označení normy: | UNE 22660:1985 |
| Počet stran: | 4 |
| Vydáno: | 1985-04-15 |
Popis
This standard UNE 22660:1985 Rock drilling — Rotary drill-rods and rotary drill-bits for dry drilling — Connecting dimensions is classified in these ICS categories:
- 73.100.30
: