Standard

NS 1991:1997

Withdrawn

Corrigendums and amendments are bought separately.

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Abstract

This standard applies to fixed frames adapted to manhole elements with a clear opening Ø (650 +- 5) mm.

Document information

  • Standard from SN
  • Published:
  • Withdrawn:
  • Edition: 4
  • Version: 1
  • Document type: NAT
  • ICS 93.080.30
  • National Committee SN/K 85

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