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Glavni meni

ISO 1722:1974

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)
1. 9. 1974.

Опште информације

90.93     6. 12. 2022.

ISO

ISO/TC 82

Međunarodni standard

73.100.30  

francuski   engleski  

Kupovina

Objavljen

Jezik na kome želite da primite dokument.

Apstrakt

Specifies the basic dimensions for equipment. Gives a list of components; tabulates together with figures: size of drill-steel in bar form; lengths of extension rods; coupling sleeves; bit diameters (four-wing bits); reverse-buttress threads; hollow hexagonal bars for extension rods.

Životni ciklus

TRENUTNO

OBJAVLJEN
ISO 1722:1974
90.93 Odluka o potvrđivanju standarda
6. 12. 2022.

Nacionalna preuzimanja

Pribor za bušenje stena - Produžna čelična oprema za udarno bušenje dubokih rupa - Oprema sa reverznim trapeznim navojem od 1 1/2 in do 2 1/2 in (38 mm do 64 mm)

90.93   Odluka o potvrđivanju standarda