DIN EN 50241-1/A1 VDE 0400-40-1/A1:2004-06
Specification for open path apparatus for the detection of combustible or toxic gases and vapours
Part 1: General requirements and test methods;
German version EN 50241-1:1999/A1:2004
Class/Status:
Standard,
withdrawn
Released: 2004-06
VDE Art. No.: 0400036