DIN EN 61241-4 VDE 0170-15-4:2007-07
Electrical apparatus for use in the presence of combustible dust
Part 4: Type of protection "pD"
(IEC 61241-4:2001); German version EN 61241-4:2006
Class/Status:
Standard,
withdrawn
Released: 2007-07
VDE Art. No.: 0170084