IEC 60050-721 Amd.4 Ed. 1.0 b:2019Amendment 4 - International Electrotechnical Vocabulary (IEV) - Part 721: Telegraphy, facsimile and data communicationAmendment by International Electrotechnical Commission, 10/17/2019
IEC 60050-715 Amd.2 Ed. 1.0 b:2019Amendment 2 - International Electrotechnical Vocabulary (IEV) - Part 715: Telecommunication networks, teletraffic and operationAmendment by International Electrotechnical Commission, 10/17/2019
IEC 60050-714 Amd.4 Ed. 1.0 b:2019Amendment 4 - International Electrotechnical Vocabulary (IEV) - Part 714: Switching and signalling in telecommunicationsAmendment by International Electrotechnical Commission, 10/17/2019
IEC 61300-3-21 Ed. 3.0 b:2019Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-21: Examinations and measurements - Switching timestandard by International Electrotechnical Commission, 09/20/2019
IEC 60068-3-3 Ed. 2.0 b:2019Environmental testing - Part 3-3: Supporting documentation and guidance - Seismic test methods for equipmentstandard by International Electrotechnical Commission, 08/23/2019
IEC 62751-2 Amd.1 Ed. 1.0 b:2019Amendment 1 - Power losses in voltage sourced converter (VSC) valves for high-voltage direct current (HVDC) systems - Part 2: Modular multilevel convertersAmendment by International Electrotechnical Commission, 08/23/2019
IEC 61158-6-4 Ed. 3.0 b:2019Industrial communication networks - Fieldbus specifications - Part 6-4: Application layer protocol specification - Type 4 elementsstandard by International Electrotechnical Commission, 06/20/2019
IEC 61158-6-2 Ed. 4.0 b:2019Industrial communication networks - Fieldbus specifications - Part 6-2: Application layer protocol specification - Type 2 elementsstandard by International Electrotechnical Commission, 06/20/2019
IEC 61158-6-23 Ed. 2.0 b:2019Industrial communication networks - Fieldbus specifications - Part 6-23: Application layer protocol specification - Type 23 elementsstandard by International Electrotechnical Commission, 06/20/2019
IEC 61158-6-12 Ed. 4.0 b:2019Industrial communication networks - Fieldbus specifications - Part 6-12: Application layer protocol specification - Type 12 elementsstandard by International Electrotechnical Commission, 06/20/2019
IEC 61158-3-4 Ed. 3.0 en:2019Industrial communication networks - Fieldbus specifications - Part 3-4: Data-link layer service definition - Type 4 elementsstandard by International Electrotechnical Commission, 04/24/2019
IEC 61158-3-19 Ed. 4.0 en:2019Industrial communication networks - Fieldbus specifications - Part 3-19: Data-link layer service definition - Type 19 elementsstandard by International Electrotechnical Commission, 04/24/2019