ISO/TC 82
Project No. | ISO 1722:1974 |
---|---|
Title | <p>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.</p> |
Registration number (WIID) | 6342 |
Scope | <p>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.</p> |
Status | Standarts spēkā |
ICS group | 73.100.30 |