AS/NZS
AS/NZS ISO 21172.1 Gas cylinders – Welded steel pressure drums up to 3 000 litres capacity for the transport of gases – Design and construction – Part 1: Capacities up to 1 000 li
- Number
- AS/NZS ISO 21172.1
- Edition
- AS/NZS ISO 21172.1:2025
- Status
- active
Equivalents
| Body | Number | Equivalence | Deviation |
|---|---|---|---|
| ISO | ISO 21172.1 | IDT | Identical adoption. The relationship is stated by the designation itself: a BS EN ISO or BS ISO number is BSI publishing the ISO text, and an AS/NZS ISO number is the joint Australian and New Zealand adoption of it. Recorded as IDT on that basis rather than from a separate concordance, and a national annex may still add guidance without changing the technical content. |
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