TRGL 521 : 1978
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
RICHTLINIE FUER AENDERUNGEN UND ERWEITERUNGEN VON SOWIE ARBEITEN AN GASHOCHDRUCKLEITUNGEN
01-31-2013
01-12-2013
1 Allgemeines
2 Wesentliche Änderungen oder Erweiterungen
3 Anhörungspflichtige Arbeiten
4 Sonstige Änderungen, Erweiterungen oder Arbeiten
5 Dokumentation
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