ISO 722:1991
$13.00
Matériel de forage des roches — Barres creuses, hexagonales et rondes pour fleurets
Published By | Publication Date | Number of Pages |
ISO | 1991-02 | 4 |
Specifies the dimensions for seven nominal sizes. This third edition cancels and replaces the second edition (1985), which has been technically revised (addition of round drill steels and extension of the range of sizes).