Registration number (WIID)Project No.TitleStatus
57723prEN 50XXXTest results on identical plastic samples for zone 'O' and zone '1'Izstrādē
44938prEN 50XXXAmendment "b" to ÖVE EX 65 - Electrical installation in potentially explosive atmospheres"b"Izstrādē
47847prEN 50XXXOpen path gas detectorsIzstrādē
51666prEN 50XXXPreliminary Enquiry about Zone 0 and intrinsic safetyIzstrādē
55723prEN 50XXXProposal on creepage distances on internal surfaces of enclosures of group I apparatusIzstrādē
51884prEN 50XXXEnquiry on Zone 2 - SituationIzstrādē
54264prEN 50XXXDetermination of allowed contents for connecting boxes of increased safety 'e'Izstrādē
57342prEN 50XXXprEN: Electrical apparatus for potentially explosive atmospheres: Cables entriesIzstrādē
42966prEN 50XXXElectrical apparatus for potentially explosive atmospheres - Requirements for electrical apparatus of explosion group II G, category 1Izstrādē
52386prEN 50XXXAddition to prEN 50020 for simple apparatusIzstrādē
Displaying 51-60 of 739 results.