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Standard
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UNE 22663:1985
ROCK DRILLING. EXTENSION DRILL-STEEL EQUIPMENT FOR PERCUSSIVE LONG-HOLE DRILLING. ROPE-THREADED EQUIPMENTS 1 1/2 TO 2 IN (38 TO 51 MM).
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Technical characteristics
| Publisher | Asociacion Espanola de Normalizacion y Certificacion (AENOR) |
| Publication Date | 04/15/1985 |
| Cancellation Date | 10/27/2022 |
| Page Count | 4 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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