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Drejtoria e Përgjithshme e Standardizimit
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ISO 721:1991

Rock drilling equipment — Integral stems
17 jan 1991

General information

90.93     29 gush 2017

ISO

ISO/TC 82

International Standard

73.100.30  

frëngjisht   anglisht  

Buying

Publikuar

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Scope

Specifies the dimensions. The 19 mm hexagonal integral stems with forged collared shank shall comply with the dimensions shown in figure 1 and given in table 1. The 22 mm stems shall comply with the dimensions shown in figure 2 and given in table 2. The 25 mm stems shall comply with the dimensions shown in figure 3 and given in table 3.

Life cycle

PREVIOUSLY

Revises
ISO 721:1974

NOW

PUBLISHED
ISO 721:1991
90.93 Standard confirmed
29 gush 2017

National adoptions

Pajisje shpimi për gurë - Bishta (instrumenti) integrale

60.60 Standard published

DPS/KT 133 më tepër

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