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Standard
UNE 22652:1985

UNE 22652:1985

Perforación de rocas por percusión. Enmangadura y casquillo portaherramientas.

ROCK DRILLING. FORGED COLLARED SHANKS AND CHUCK BUSHINGS FOR HOLLOW HEXAGONAL DRILL-STEELS.

Publication Date:
1985-03-15 /Anulada
Cancellation date:
2022-10-27
International equivalences:

ISO 723:1974 (Non-equivalent)

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