Cooperating organizations
National foreword
Foreword
1. General
2. Lower limit for the average outer diameter
3. Upper limit for the average outer diameter
4. Thickness of the mandatory coverings other than
the insulation and the sheath(s)
Annex
ZA. (normative) Other international publications quoted
in this standard with the references of the relevant
European publications
National annex
NA. (informative) Committees responsible