Registration number (WIID)Project No.TitleStatus
51666prEN 50XXXPreliminary Enquiry about Zone 0 and intrinsic safetyIzstrādē
52386prEN 50XXXAddition to prEN 50020 for simple apparatusIzstrādē
49192prEN 50XXXInstallation rules on basis of IEC 60079-14Izstrādē
50588prEN 50XXXInstallation rules on basis of IEC 60079-14Izstrādē
57723prEN 50XXXTest results on identical plastic samples for zone 'O' and zone '1'Izstrādē
42738prEN 50XXXAmendment to EN 50014, 50016, 50018 and 50019 to allow cells and batteries to be incorporated into explosion-protected apparatusIzstrādē
44938prEN 50XXXAmendment "b" to ÖVE EX 65 - Electrical installation in potentially explosive atmospheres"b"Izstrādē
45057prEN 50XXXSynopsis of the major differences in the North American (USA) and European (UK) submissions to IEC on an international standard for gas detectorsIzstrādē
48206prEN 50XXXProposals concerning references to IP degrees of protectionIzstrādē
56965prEN 50XXXFlameproof joints: Spigot joints with rectangular partsIzstrādē
Displaying 51-60 of 739 results.