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B51-14 (R2019) – Boiler, pressure vessel, and pressure piping code

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ISO 722:1991

ISO 722:1991 Rock drilling equipment – Hollow drill steels in bar form, hexagonal and round

CDN $85.00

SKU: 1589d34d9e91 Categories: ,

Description

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).

Edition

3

Published Date

1991-01-24

Status

PUBLISHED

Pages

2

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

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).

Previous Editions

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